├── 231-power-of-two
    ├── NOTES.md
    ├── 231-power-of-two.cpp
    └── README.md
├── 283-move-zeroes
    ├── NOTES.md
    ├── 283-move-zeroes.cpp
    └── README.md
├── 217-contains-duplicate
    ├── NOTES.md
    ├── 217-contains-duplicate.cpp
    ├── ContainsDuplicate.java
    └── README.md
├── 42-trapping-rain-water
    ├── NOTES.md
    ├── 42-trapping-rain-water.py
    └── README.md
├── 567-pattern
    └── pattern.py
├── CONTRIBUTING.md
├── README.md
├── dsa.py
├── Aptitude_questions.txt
└── Aptitude Question.txt


/231-power-of-two/NOTES.md:
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/283-move-zeroes/NOTES.md:
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/217-contains-duplicate/NOTES.md:
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1 | ​


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/42-trapping-rain-water/NOTES.md:
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1 | ​


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/217-contains-duplicate/217-contains-duplicate.cpp:
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1 | class Solution {
2 | public:
3 |     bool containsDuplicate(vector<int>& nums) {
4 |         sort(nums.begin(),nums.end());
5 |         return unique(nums.begin(),nums.end())!=nums.end();
6 |     }
7 | };


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/283-move-zeroes/283-move-zeroes.cpp:
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 1 | class Solution {
 2 | public:
 3 |     void moveZeroes(vector<int>& nums) {
 4 |         int i=0;
 5 |         for(int j=0;j<nums.size();j++){
 6 |            if(nums[j]!=0){
 7 |                 swap(nums[j],nums[i]);
 8 |                  i++;
 9 |            }
10 |         }
11 |     }
12 | };


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/567-pattern/pattern.py:
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 1 | """Contributed 
 2 |         by 
 3 |    saloni suman"""
 4 | rows=14
 5 | print("$" *rows, end="\n")
 6 | i=(rows//2)-1
 7 | j=2
 8 | while i!=0:
 9 |         while j<=(rows-2):
10 |                 print("$"*i,end="")
11 |                 print("#"*j,end="")
12 |                 print("$"*i,end="\n")
13 |                 i=i-1
14 |                 j=j+2     


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/231-power-of-two/231-power-of-two.cpp:
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 1 | class Solution {
 2 | public:
 3 |     bool isPowerOfTwo(int n) {
 4 |         
 5 |         if(n==0)
 6 |             return false;
 7 |         //for a number to be power of n its log(x)[base=n] is always integer
 8 |         if(ceil(log2(n)) == floor(log2(n)))
 9 |             return true;
10 |         else
11 |             return false;
12 |     }
13 | };
14 | 


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/42-trapping-rain-water/42-trapping-rain-water.py:
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 1 | class Solution:
 2 |     def trap(self, height: List[int]) -> int:
 3 |         left=[]
 4 |         right=[0]*len(height)
 5 |         temp=0
 6 |         for i in height:
 7 |             left.append(temp)
 8 |             temp=max(temp,i)
 9 |         temp=0
10 |         for i in reversed(range(len(right))):
11 |             right[i]=temp
12 |             temp=max(temp,height[i])
13 |         ans=0
14 |         for i in range(len(left)):
15 |             temp=min(left[i],right[i])-height[i]
16 |             ans+=temp if temp>0 else 0
17 |         return ans


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/217-contains-duplicate/ContainsDuplicate.java:
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 1 | package Hacktoberfest;
 2 | import java.util.Arrays;
 3 | import java.util.Scanner;
 4 | public class ContainsDuplicate {
 5 | 	
 6 | 	public static boolean containsDuplicate(int arr[]) {
 7 | 		 Arrays.sort(arr);
 8 | 		 int i=0;
 9 | 		 int j=i+1;
10 | 		 while(j<arr.length) {
11 | 			 if(arr[i]==arr[j]) {
12 | 				 return true;
13 | 			 }
14 | 			 i++;
15 | 			 j++;
16 | 		 }
17 | 		 return false;
18 | 		
19 | 	}
20 | 
21 | 	public static void main(String[] args) {
22 | 		// TODO Auto-generated method stub
23 | 		Scanner sc=new Scanner(System.in); 
24 | 		int n= sc.nextInt(); 
25 | 		int[] arr = new int[n];  
26 | 		for(int i=0; i<n; i++)  
27 | 		{   
28 | 		arr[i]=sc.nextInt();  
29 | 		}  
30 |        System.out.println(containsDuplicate(arr)); 
31 |         
32 | 	}
33 | 
34 | }
35 | 


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/CONTRIBUTING.md:
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 1 | # Method 1 : CLI
 2 | 
 3 | ## How to contribute?
 4 |     
 5 |     Step 1 : Fork the project repository
 6 |     Step 2 : Clone your fork
 7 |     Step 3 : Navigate to your local repository
 8 |     Step 4 : Check that your fork is the "origin" remote
 9 |     Step 5 : Add the project repository as the "upstream" remote
10 |     Step 6 : Pull the latest changes from upstream into your local repository
11 |     Step 7 : Create a new branch
12 |     Step 8 : Make changes in your local repository
13 |     Step 9 : Commit your changes
14 |     Step 10 : Push your changes to your fork
15 |     
16 |   
17 |  # Method 2 : GitHub Portal
18 |  
19 |  
20 | ## HOW TO CONTRIBUTE?
21 | 
22 | 
23 | # Step 1 : Fork Repo
24 | 
25 | # Step 2 : Commit Changes
26 | 
27 | # Step 3 : Create Pull Request
28 | 
29 | ## HOW TO CONTRIBUTE?
30 | 
31 | 
32 | # Step 1 : Fork Repo
33 | 
34 | # Step 2 : Commit Changes
35 | 
36 | # Step 3 : Create Pull Request
37 | 
38 | 
39 | ###                 Begin the pull request!!!
40 | 


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/217-contains-duplicate/README.md:
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 1 | <h2><a href="https://leetcode.com/problems/contains-duplicate/">217. Contains Duplicate</a></h2><h3>Easy</h3><hr><div><p>Given an integer array <code>nums</code>, return <code>true</code> if any value appears <strong>at least twice</strong> in the array, and return <code>false</code> if every element is distinct.</p>
 2 | 
 3 | <p>&nbsp;</p>
 4 | <p><strong>Example 1:</strong></p>
 5 | <pre><strong>Input:</strong> nums = [1,2,3,1]
 6 | <strong>Output:</strong> true
 7 | </pre><p><strong>Example 2:</strong></p>
 8 | <pre><strong>Input:</strong> nums = [1,2,3,4]
 9 | <strong>Output:</strong> false
10 | </pre><p><strong>Example 3:</strong></p>
11 | <pre><strong>Input:</strong> nums = [1,1,1,3,3,4,3,2,4,2]
12 | <strong>Output:</strong> true
13 | </pre>
14 | <p>&nbsp;</p>
15 | <p><strong>Constraints:</strong></p>
16 | 
17 | <ul>
18 | 	<li><code>1 &lt;= nums.length &lt;= 10<sup>5</sup></code></li>
19 | 	<li><code>-10<sup>9</sup> &lt;= nums[i] &lt;= 10<sup>9</sup></code></li>
20 | </ul>
21 | </div>


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/283-move-zeroes/README.md:
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 1 | <h2><a href="https://leetcode.com/problems/move-zeroes/">283. Move Zeroes</a></h2><h3>Easy</h3><hr><div><p>Given an integer array <code>nums</code>, move all <code>0</code>'s to the end of it while maintaining the relative order of the non-zero elements.</p>
 2 | 
 3 | <p><strong>Note</strong> that you must do this in-place without making a copy of the array.</p>
 4 | 
 5 | <p>&nbsp;</p>
 6 | <p><strong>Example 1:</strong></p>
 7 | <pre><strong>Input:</strong> nums = [0,1,0,3,12]
 8 | <strong>Output:</strong> [1,3,12,0,0]
 9 | </pre><p><strong>Example 2:</strong></p>
10 | <pre><strong>Input:</strong> nums = [0]
11 | <strong>Output:</strong> [0]
12 | </pre>
13 | <p>&nbsp;</p>
14 | <p><strong>Constraints:</strong></p>
15 | 
16 | <ul>
17 | 	<li><code>1 &lt;= nums.length &lt;= 10<sup>4</sup></code></li>
18 | 	<li><code>-2<sup>31</sup> &lt;= nums[i] &lt;= 2<sup>31</sup> - 1</code></li>
19 | </ul>
20 | 
21 | <p>&nbsp;</p>
22 | <strong>Follow up:</strong> Could you minimize the total number of operations done?</div>


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/42-trapping-rain-water/README.md:
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 1 | <h2><a href="https://leetcode.com/problems/trapping-rain-water/">42. Trapping Rain Water</a></h2><h3>Hard</h3><hr><div><p>Given <code>n</code> non-negative integers representing an elevation map where the width of each bar is <code>1</code>, compute how much water it can trap after raining.</p>
 2 | 
 3 | 
 4 | 
 5 | <p>&nbsp;</p>
 6 | <p><strong>Example 1:</strong></p>
 7 | <img  alt="Rain Water Trap" src="https://user-images.githubusercontent.com/80694110/198895221-940d5e3c-d5da-4b4d-85c8-31001aae9790.png">
 8 | <pre><strong>Input:</strong> height = [0,1,0,2,1,0,1,3,2,1,2,1]
 9 | <strong>Output:</strong> 6
10 | </pre><p><strong>Example 2:</strong></p>
11 | <pre><strong>Input:</strong> height = [4,2,0,3,2,5]
12 | <strong>Output:</strong> 9
13 | </pre>
14 | <p>&nbsp;</p>
15 | <p><strong>Constraints:</strong></p>
16 | 
17 | <ul>
18 | 	<li><code>n == height.length</code></li>
19 |   <li><code>1 &lt;= n &lt;= 2 * 10<sup>4</sup></code></li>
20 | 	<li><code>0 &lt;= height[i] &lt;= 2 * 10<sup>5</sup></code></li>
21 | </ul>
22 | 
23 | 


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/README.md:
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 1 | # GDSC-Aptitude-2022
 2 | 
 3 | # Method 1 : CLI
 4 | 
 5 | ## How to contribute?
 6 |     
 7 |     Step 1 : Fork the project repository
 8 |     Step 2 : Clone your fork
 9 |     Step 3 : Navigate to your local repository
10 |     Step 4 : Check that your fork is the "origin" remote
11 |     Step 5 : Add the project repository as the "upstream" remote
12 |     Step 6 : Pull the latest changes from upstream into your local repository
13 |     Step 7 : Create a new branch
14 |     Step 8 : Make changes in your local repository
15 |     Step 9 : Commit your changes
16 |     Step 10 : Push your changes to your fork
17 |     
18 |   
19 |  # Method 2 : GitHub Portal
20 |  
21 |  
22 | ## HOW TO CONTRIBUTE?
23 | 
24 | 
25 | # Step 1 : Fork Repo
26 | 
27 | # Step 2 : Commit Changes by adding the answers of the questions
28 | 
29 | # Step 3 : Create Pull Request
30 | 
31 | 
32 | ###                 Begin the pull request!!!
33 | 20)In a clock, the time is 3.25.What is the angle between the hour hand and the minute hand of the clock:
34 | A. 95/2 degrees
35 | B. 90/3 degrees
36 | C. 94/3 degrees
37 | D. 95/3 degrees
38 | 
39 | Ans:(A)95/2 degrees
40 | 


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/231-power-of-two/README.md:
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 1 | <h2><a href="https://leetcode.com/problems/power-of-two/">231. Power of Two</a></h2><h3>Easy</h3><hr><div><p>Given an integer <code>n</code>, return <em><code>true</code> if it is a power of two. Otherwise, return <code>false</code></em>.</p>
 2 | 
 3 | <p>An integer <code>n</code> is a power of two, if there exists an integer <code>x</code> such that <code>n == 2<sup>x</sup></code>.</p>
 4 | 
 5 | <p>&nbsp;</p>
 6 | <p><strong>Example 1:</strong></p>
 7 | 
 8 | <pre><strong>Input:</strong> n = 1
 9 | <strong>Output:</strong> true
10 | <strong>Explanation: </strong>2<sup>0</sup> = 1
11 | </pre>
12 | 
13 | <p><strong>Example 2:</strong></p>
14 | 
15 | <pre><strong>Input:</strong> n = 16
16 | <strong>Output:</strong> true
17 | <strong>Explanation: </strong>2<sup>4</sup> = 16
18 | </pre>
19 | 
20 | <p><strong>Example 3:</strong></p>
21 | 
22 | <pre><strong>Input:</strong> n = 3
23 | <strong>Output:</strong> false
24 | </pre>
25 | 
26 | <p>&nbsp;</p>
27 | <p><strong>Constraints:</strong></p>
28 | 
29 | <ul>
30 | 	<li><code>-2<sup>31</sup> &lt;= n &lt;= 2<sup>31</sup> - 1</code></li>
31 | </ul>
32 | 
33 | <p>&nbsp;</p>
34 | <strong>Follow up:</strong> Could you solve it without loops/recursion?</div>


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/dsa.py:
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 1 | 1.) What is data-structure?
 2 | Data structure is a way of defining, storing & retriving of data in a structural & systemetic way. A data structure may contain different type of data items.
 3 | 
 4 | 2.) What are various data-structures available?
 5 | Data structure availability may vary by programming languages. Commonly available data structures are list, arrays, stack, queues, graph, tree etc.
 6 | 
 7 | 3.) What is algorithm?
 8 | Algorithm is a step by step procedure, which defines a set of instructions to be executed in certain order to get the desired output.
 9 | 
10 | 4.) Why we need to do algorithm analysis?
11 | A problem can be solved in more than one ways. So, many solution algorithms can be derived for a given problem. We analyze available algorithms to find and implement the best suitable algorithm.
12 | 
13 | 5.) What are the criteria of algorithm analysis?
14 | An algorithm are generally analyzed on two factors − time and space. That is, how much execution time and how much extra space required by the algorithm.
15 | 
16 | 6.) What is asymptotic analysis of an algorithm?
17 | Asymptotic analysis of an algorithm, refers to defining the mathematical boundation/framing of its run-time performance. Using asymptotic analysis, we can very well conclude the best case, average case and worst case scenario of an algorithm.
18 | 
19 | 7.) What are asymptotic notations?
20 | Asymptotic analysis can provide three levels of mathematical binding of execution time of an algorithm −
21 | 
22 | Best case is represented by Ω(n) notation.
23 | Worst case is represented by Ο(n) notation.
24 | Average case is represented by Θ(n) notation.
25 | 
26 | 8.) What is linear data structure?
27 | A linear data-structure has sequentially arranged data items. The next time can be located in the next memory address.
28 | It is stored and accessed in a sequential manner. Array and list are example of linear data structure.
29 | 
30 | 9.) What are common operations that can be performed on a data-structure?
31 | The following operations are commonly performed on any data-structure −
32 | 
33 | Insertion − adding a data item
34 | 
35 | Deletion − removing a data item
36 | 
37 | Traversal − accessing and/or printing all data items
38 | 
39 | Searching − finding a particular data item
40 | 
41 | Sorting − arranging data items in a pre-defined sequence
42 | 
43 | 10.) Briefly explain the approaches to develop algorithms.
44 | There are three commonly used approaches to develop algorithms −
45 | 
46 | Greedy Approach − finding solution by choosing next best option
47 | 
48 | Divide and Conquer − diving the problem to a minimum possible sub-problem and solving them independently
49 | 
50 | Dynamic Programming − diving the problem to a minimum possible sub-problem and solving them combinedly.
51 | 


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/Aptitude_questions.txt:
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  1 | 1.John started ploughing the field at 8 O'clock before noon.He went for lunch at half past one after noon.For how many hours did he work?
  2 | (a) Five and a half
  3 | (b) Six and a half
  4 | (c) Seven
  5 | (d) Nine and half
  6 | Ans:(a) Five and a half
  7 | 
  8 | 2.If 10 kg 120 gms sugar is equally distributed among 4 people,what is the share each one will get?
  9 | (a) 2 kg 430 gms
 10 | (b) 25 kg 30 gms
 11 | (c) 20 kg 530 gms
 12 | (d) 2 kg 530 gms
 13 | Ans: (c) 2 kg 530 gms
 14 | 
 15 | 3.The length of rectangular garden is 55 metres.To have a seven layered fencing around a rectangular garden,6664 metre wire is required.Find the length of breadth of garden.
 16 | (a)421
 17 | (b)300
 18 | (c)233
 19 | (d)276
 20 | Ans:(a) 421
 21 | 
 22 | 4.There are 1,272 trees in a garden.Out of them 840 are of mango,72 are of banana and remaining are of Jackfruit.What is the number of Jackfruit trees in that garden?
 23 | (a)360
 24 | (b)925
 25 | (c)450
 26 | (d)250
 27 | Ans: (a) 360
 28 | 
 29 | 5.If we buy two and a half litre milk daily,what is the quantity of milk is bought in 4 days?
 30 | (a) Fifteen
 31 | (b) Ten
 32 | (c) twelve
 33 | (d) Nine
 34 | Ans:(b) Ten
 35 | 
 36 | 6.If 4m 80 cm long string is cut from the 8 metre long string, what is the length of the remaining portion of the string?
 37 | (a) 2 m 20 cm
 38 | (b) 3 m 20 cm
 39 | (c) 3 m 30 cm
 40 | (d) 4 m 20 cm
 41 | Ans: (b) 3m 20 cm
 42 | 
 43 | 7.It was Tuesday on 10th June,2003, which day was on 19th June,2003 ?
 44 | (a) Wednesday
 45 | (b) Thursday
 46 | (c) Friday
 47 | (d) Tuesday
 48 | Ans: (b) Thursday
 49 | 
 50 | 8. 4950/6 + 112 * 1.75 = ? * 2
 51 | (a) 510.5
 52 | (b) 505.2
 53 | (c) 515.5
 54 | (d) none of the above
 55 | Ans: (a) 510.5
 56 | 
 57 | 9. If a certain sum of money can become 5 times of its principal in 10 years,then the rate of interest is
 58 | (a) 20%
 59 | (b) 30%
 60 | (c) 40%
 61 | (d) 50%
 62 | Ans: (c) 40%
 63 | 
 64 | 10. 20 trucks can hold 150 metric tonnes. How much will 12 trucks hold ?
 65 | (a) 80 metric tonnes
 66 | (b) 90 metric tonnes
 67 | (c) 60 metric tonnes
 68 | (d) 40 metric tonnes
 69 | Ans: (b) 90 metric tonnes
 70 | 
 71 | 11.18 beads make one necklace.Like this 32 necklace are made.If in each necklace,8 beads are put,how many necklace can be made out of all these beads?
 72 | (a) 58
 73 | (b) 82
 74 | (c) 62
 75 | (d) 72
 76 | Ans: (d) 72
 77 | 
 78 | 12.Three-fourth part of a bucket having capacity of 20 litre is filled with water.How much more litre of water will be required to fill the bucket completely?
 79 | (a) 15
 80 | (b) 10
 81 | (c) 20
 82 | (d) 05
 83 | Ans: (d) 05
 84 | 
 85 | 13.The capacity of a bottle is 750 ml.How many bottles will be required to fill 9 litres of medicine?
 86 | (a) 07
 87 | (b) 09
 88 | (c) 10
 89 | (d) 12
 90 | Ans: (d) 12
 91 | 
 92 | 14.If each child collects 49 seeds,then how many seeds will be collected by 346 students of a school?
 93 | (a) 16954
 94 | (b) 12845
 95 | (c) 18994
 96 | (d) 16054
 97 | Ans: (a) 16954
 98 | 
 99 | 15.In a village,there are 6718 males and 5829 females.If there are 7548 literayes,then how many illiterates are there in the vilage?
100 | (a) 4999
101 | (b) 7059
102 | (c) 20059
103 | (d) 8437
104 | Ans: (a) 4999
105 | 
106 | 16.How much salt is required to fill 120 salt bags of 250 gm each?
107 | (a) 3000 kg
108 | (b) 300 kg
109 | (c) 3 kg
110 | (d) 30 kg
111 | Ans: (d) 30 kg
112 | 
113 | 17.If trees are planted at a distance of 2.5 m on both the sides of a road of 25 km,then how many trees will be planted?
114 | (a) 20000
115 | (b) 20002
116 | (c) 10000
117 | (d) 10001
118 | Ans: (b) 20002
119 | 
120 | 18.If 3rd of April falls on Saturday,what will be the date of the last Saturday of the same month?
121 | (a) 31
122 | (b) 17
123 | (c) 24
124 | (d) 29
125 | Ans: (c) 24
126 | 
127 | 19.If 50 paise worth 36 coins are given away and in exchange coins of Rs.2 each are taken,how many coins we will get worth Rs.2?
128 | (a) 90
129 | (b) 9
130 | (c) 900
131 | (d) 19
132 | Ans: (b) 9
133 | 
134 | 20.The sum of ages of Sameer and Raju is 35 years.If Raju is younger than Sameer by 7 years,then what is Sammer's age?
135 | (a) 28 years
136 | (b) 14 years
137 | (c) 21 years
138 | (d) 17 years
139 | Ans: (c) 21 years
140 | 
141 | 21.Which of the following will be correct after interchanging the position with each other for ÷ & = and 2 & 3?
142 | (a) 15 = 2+3
143 | (b) 5 ÷ 15 = 3
144 | (c) 2 = 15 ÷ 3
145 | (d) 3 = 2 ÷ 15
146 | Ans: (b) 5 ÷ 15 = 3
147 | 


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/Aptitude Question.txt:
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  1 | 
  2 | ## SECTION 1
  3 | 
  4 | 1. The average weight of four boys and  A, B, C, and D is 75 kg. The fifth boy E is included
  5 | and the average weight decreases by 4 kg. A is replaced by F. The weight of F is 6
  6 | kg more than E. Average weight decreases because of the replacement of A and
  7 | now the average weight is 72 kg. Find the weight of A.
  8 | 1) 57 kg
  9 | 2) 54 kg
 10 | 3) 56 kg
 11 | 4) 60 kg
 12 | 5) 58 kg
 13 | Ans: 56 kg
 14 | 
 15 | 2. If a discount of 16% is given on the marked price of a book, the publisher gains
 16 | 20%. If the discount is increased to 20% the gain percent is
 17 | 1) 14 2/7%
 18 | 2) 14 1/7%
 19 | 3) 14 3/7%
 20 | 4) 14 4/7%
 21 | 5) 14 5/7%
 22 | ans : 3)
 23 | 
 24 | 3. In 165 litres of mixtures of milk and water, water is only 28%. The milkman sold 40
 25 | litres of this mixture and then he added 30 litres of pure milk and 13 litres of pure
 26 | water in the remaining mixture. What is the percentage of water in the final mixture?
 27 | 1) 29.35%
 28 | 2) 28. 57%
 29 | 3) 24. 57%
 30 | 4) 27. 75%
 31 | 5) 26. 57%
 32 | ans: 2) 28.57%
 33 | 
 34 | 4. A rectangular plot has a concrete path running inner side of the plot is used as a
 35 | lawn, which has an area of 432 sq.m. If the width of the path is 4 m and the length of
 36 | the plot is greater than its breadth by 2m, what is the area of the rectangular plot?
 37 | 1) 980 m^2
 38 | 2) 975 m^2
 39 | 3) 984 m^2
 40 | 4) 960 m^2
 41 | 5) 965 m^2
 42 | ans: 4)960 m^2
 43 | 
 44 | 5. Difference between the compound interest and the simple interest accrued on an
 45 | amount of Rs. 18000 in two year is Rs. 405. What was the rate of interest?
 46 | 1) 14%
 47 | 2) 16%
 48 | 3) 12.5%
 49 | 4) 15%
 50 | 5) 15.5%
 51 | ANS = 4 (15%)
 52 | 
 53 | 6. 12 men can complete any work in 36 days. 18 women can complete the same piece of work in 60 days.
 54 | 8 men and 20 women work together for 20 days. If only the
 55 | women were to complete the remaining work in 4 days, then how many women
 56 | would be required?
 57 | Ans. 70
 58 | 
 59 | 7.Out of 5 women and 4 men, a committee of three members is to be formed in
 60 | such a way that at least one member is woman. In how many different ways can this
 61 | be done?
 62 | 1) 60
 63 | 2) 100
 64 | 3) 120
 65 | 4) 90
 66 | 5) 80
 67 | Ans 5)
 68 | 
 69 | 8. Excluding the stoppages, the speed of a bus is 64 km/hr and including the
 70 | stoppages the speed of the bus is 48km/hr. For how many minutes does the bus
 71 | stop per hour?
 72 | 1) 15 min
 73 | 2) 10 min
 74 | 3) 12 min
 75 | 4) 20 min
 76 | 5) 18 min
 77 | ANS:15 min
 78 | 
 79 | 9. A box contains 2 black, 3 orange and 4 pink ribbons. If two ribbons are drawn at
 80 | random. What is the probability that both are orange?
 81 | 1) 5/12
 82 | 2) 1/13
 83 | 3) 1/14
 84 | 4) 1/12
 85 | 5) 1/24
 86 | Ans :  Required Probability = 3C2/9C2 = 1/12
 87 | 
 88 | 10. Pradeep invested 20% more than Mohit. Mohit invested 10% less than Raghu. If
 89 | the total sum of their investment is Rs. 17880, how much amount did Raghu
 90 | invested?
 91 | 1) Rs. 5000
 92 | 2) Rs. 6500
 93 | 3) Rs. 6000
 94 | 4) Rs. 7500
 95 | 5) Rs. 5500
 96 | Ans RS.6000
 97 | 
 98 | 11. 1+1=?
 99 | 
100 | 1)  50
101 | 2)  65
102 | 3)  6000
103 | 4)  2
104 | 5)  5500
105 | Ans : 2
106 | 
107 | 
108 | Solution:
109 | Let the investment by Raghu be x
110 | Mohit = x * 90/100 = 9x/10
111 | Pradeep = 9x/10 * 120/100 = 108x/100
112 | x + 9x/10 + 108x/100 = 17880
113 | x = Rs. 6000
114 | 
115 | Answer : 3)
116 | 
117 | 11. With the money I have, I can buy 50 pens or 150 pencils. I kept 10% aside for taxi fare. With the remaining, I purchased 54 pencils and P pens. What is the value of P?
118 | 1) 32
119 | 2) 30
120 | 3) 27
121 | 4) None  of  these  
122 | 
123 | Solution:
124 | Since cost of, 50 pens = 150 pencils, With the cost of 3 pencils I can buy 1 pen.
125 | After putting aside 10% for taxi I was left with 90% of the money, with which I can buy 135 pencils (90% of 150) or 45(90% of 50) pens,
126 | I bought 54 pencils and P pens, or I could have bought (54 + 3P) pencil,
127 | 54 + 3P = 135,
128 | 3P = 135 - 54 = 81,
129 | P = 27
130 | 
131 | Answer : 3) 27
132 | 
133 | 12. Ram sells an article at three-fourth of its list price and makes a loss of 10%. Find the profit percentage if he sells at the list price.
134 | 1) 20%
135 | 2) 25%
136 | 3) 15%
137 | 4) None of these
138 | 
139 | Solution:
140 | Let the list price be x,
141 |       S.P = 3/4x, S.P = (100 – loss%) / 100*C.P = 0.9 C.P
142 |        3/4x = 0.9 C.P, C.P = 3x / 3.6
143 |        If S.P = x, Profit %  = (x- 3x/3.6 ) / ( 3x/3.6 ) * 100 = 60/3 = 20%
144 |  
145 |  Answer : 1) 20%
146 | 
147 | 13. Three times a number is 20% more than twice another number when increased by 105. If twice the first number increased by 36 is 20% less than three times of the second number, then what is the first number?
148 | 1) 150
149 | 2) 162
150 | 3) 180
151 | 4) None of  these
152 | 
153 | Solution:
154 | Let the two numbers be x and y.
155 | 3x = 1.2( 2y + 105)
156 | 3x = 2.4y + 126 ………………(1)
157 | 2x + 36 = 0.8(3y)
158 | 2x + 36 = 2.4y ……………(2)
159 | x = 162
160 | 
161 | Answer : 2) 162 
162 | 
163 | 
164 | 
165 | 
166 | ## SECTION 2 : Data Interpretation
167 | 
168 | 
169 | 
170 | 1. In 2001, 6400 candidates appeared at the exam and 40% of them qualified. In 2005 the
171 | ratio between qualified males and females was 3:5. What is the total number of female
172 | candidates who qualified in these two years?
173 | A. 1120
174 | B. 1220
175 | C. 1330
176 | D. 1150
177 | E. None of the Above
178 | ans: B.1220
179 | 
180 | 2. In 2004, what percent of male candidates did qualify in the exam among all qualified
181 | candidates?
182 | A. 51%
183 | B. 61%
184 | C. 55%
185 | D. 56%
186 | E. None of the Above
187 | Ans. B. 61%
188 | 
189 | 3. In 2002, 54% of appeared candidates did qualify. How many female candidates did
190 | qualify in the exam?
191 | A. 280
192 | B. 170
193 | C. 180
194 | D. 250
195 | E. 240
196 | ans: c) 180
197 | 
198 | 4. In 2003, a total of 68 male candidates did qualify. What is the respective ratio between
199 | males and females who had qualified in 2003?
200 | A. 11:25
201 | B. 19:25
202 | C. 17:25
203 | D. 25:13
204 | E. 13:19
205 | Ans= C.17:25
206 | 
207 | 5. What is the average number of candidates who did not qualify in the exam in the years
208 | 2003 and 2005?
209 | A. 576
210 | B. 556
211 | C. 528
212 | D. 546
213 | E. None of the Above
214 | ans : 556
215 | 
216 | 5. What is the average number of candidates who did not qualify in the exam in the years
217 | 2003 and 2005?
218 | A. 576
219 | B. 556
220 | C. 528
221 | D. 546
222 | E. None of the Above
223 | Ans. A. 576
224 | 
225 | 6. In 2003, if the number of female qualified candidates was 70, what was the respective
226 | ratio of number of female qualified candidates and number of male qualified candidates
227 | same year?
228 | A. 5:9
229 | B. 7:11
230 | C. 10:11
231 | D. 10:13
232 | E. 5:7
233 | ans : 5:9
234 | 
235 | 
236 | 7. Number of appeared candidates increased by 20% from 2002 to 2006. If 25% of the
237 | appeared candidates qualified in 2006, what was the number of qualified candidates in
238 | 2006?
239 | A. 205
240 | B. 215
241 | C. 245
242 | D. 240
243 | E. 230
244 | Ans= B. 215
245 | 
246 | 8. If the average number of qualified candidates in 2002 and 2005 was 433, what percent of
247 | appeared candidates qualified in the competitive exam in 2002?
248 | A. 60%
249 | B. 75%
250 | C. 45%
251 | D. 70%
252 | E. 50%
253 | Ans=A.60%
254 | 
255 | 9. In 2004, if the difference between number of male qualified candidates and number of
256 | female qualified candidates was 120, what was the number of appeared candidates in
257 | 2004?
258 | A. 840
259 | B. 800
260 | C. 660
261 | D. 600
262 | E. 720
263 | Ans = B (800)
264 | 
265 | 10. In 2001, the respective ratio of number of appeared candidates to qualified candidates
266 | was 5:2. Number of female candidates qualified in 2001 constitutes what percent of the
267 | number of appeared candidates in the same year?
268 | A. 15%
269 | B. 25%
270 | C. 125%
271 | D. 20%
272 | E. Can not be determined
273 | Ans = A.15
274 | 
275 | 
276 | Q 11. Which one of the following could be a complete list of the number of rooms and colours that Mr X used to paint some of the rooms of his house?
277 | 
278 | A. one blue, one Terry cherry, one violet latte, two happy pink
279 | B. one blue, one teal, one Terry cherry, three happy pink
280 | C. two blue, one teal, three Terry Cherry
281 | D. one jacket, one Terry cherry, two violet latte and one happy pink
282 | Ans = A) one blue, one Terry cherry, one violet latte, two happy pink
283 | 
284 | SECTION 3 :
285 | 
286 | 
287 | 1).Which institute has the highest percentage of candidates successful to enrolled?
288 | a) D
289 | b) E
290 | c) A
291 | d) F
292 | e) None of these
293 | 
294 | 2).What percent of candidates from institute D have come out to be successful out of
295 | the total candidates enrolled from this institute?
296 | a) 115
297 | b) 95
298 | c) 80
299 | d) 85
300 | e) None of these
301 | 
302 | 3).What is the approximate percentage of candidates successful to enrolled from
303 | institute A?
304 | a) 92
305 | b) 89
306 | c) 86
307 | d) 96
308 | e) 88
309 | 
310 | 4).What is the ratio between the enrolled and successful candidates from the
311 | institutes B and C together?
312 | a) 55:12
313 | b) 5:7
314 | c) 135:271
315 | d) 5:3
316 | e) None of these
317 | 
318 | 5).What is the percentage of successful candidates from institute E and F together
319 | over the candidates enrolled from these institutes together?
320 | a) 76
321 | b) 105
322 | c) 80
323 | d) 74
324 | e) None of these
325 | 
326 | 
327 | 6).If total income of company B in 2008 was Rs.140 crore, what was the total
328 | expenditure of that company in the same year? (approx)
329 | a) Rs.100.66 cr.
330 | b) Rs.110.33 cr.
331 | c) Rs.98.22 cr.
332 | d) Rs.94.90 cr.
333 | e) Rs.96.55 cr.
334 | 
335 | 7).If total expenditure of company B in 2009 and 2010 was Rs.270 crore, what was
336 | total income of that company in both the same years?
337 | a) Rs.121.5 cr.
338 | b) Rs.135 cr.
339 | c) Rs.140 cr.
340 | d) Data inadequate
341 | e) None of these
342 | ans: e) None of these
343 | 
344 | 
345 | 8).In which year was the total income more than double the total expenditure in that
346 | year for company A?
347 | a) 2010
348 | b) 2009
349 | c) 2011
350 | d) 2008
351 | e) None of these
352 | ans:2011
353 | 
354 | 9).If the total expenditure of company A in 2010 was Rs.200 cr. What was the total
355 | income of that company in the same year?
356 | a) Rs.260 cr.
357 | b) Rs.300 cr.
358 | c) Rs.160 cr.
359 | d) Data inadequate
360 | e) None of these
361 | Ans. a)
362 | 
363 | 10).If the income of company A in 2009 was Rs.100 cr. Then what was the
364 | expenditure of company B in that year?
365 | a) Rs.150 cr.
366 | b) Rs.120 cr.
367 | c) Rs.140 cr.
368 | d) Can’t be determined
369 | e) None of these
370 | 
371 | 11).A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?
372 | 
373 | A.	12 days
374 | B.	15 days
375 | C.	16 days
376 | D.	18 days
377 | Ans: B.15 days
378 | 
379 | 
380 | 12). In 2004, if the difference between number of male qualified candidates and number of
381 | female qualified candidates was 120, what was the number of appeared candidates in
382 | 2004?
383 | A. 840
384 | B. 800
385 | C. 660
386 | D. 600
387 | E. 720
388 | section:3
389 | 
390 | 
391 | 13).Out of all the 2-digit integers between 1 and 100, a 2-digit number has to be selected at random. What is the probability that the selected number is not divisible by 7?
392 | A.13/90
393 | B.12/90
394 | C.78/90
395 | D.77/90
396 | 
397 | ANS: 77/90
398 | 
399 | ANS:Option D
400 | Explanation :Total number of two digits numbers in range of 1 to 100 is 77.
401 | 
402 | 
403 | 14) How many times the hands of a clock coincide in a day?
404 | A.24
405 | B.22
406 | C.23
407 | D.21
408 | ANS:Option B
409 | Explaination: The hands overlap about every 65 minutes, not every 60 minutes. The hands coincide 22 times in a day.
410 | 
411 | 
412 | 14) A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
413 | A.	120 metres
414 | B.	180 metres
415 | C.	324 metres
416 | D.	150 metres
417 | 
418 | ans : D : 150 metres
419 | 
420 | 15)What is the average of first five multiples of 12?
421 | A.36
422 | B.38
423 | C.40
424 | D.42
425 | 
426 | ANS : A
427 | 
428 | 15)Sohan started a business with a capital of Rs. 80000. After 6 months Mohan joined as a partner by investing Rs. 65000. After one year they earned total profit Rs. 20000. What is share of Sohan in the profit?
429 | 
430 | 1.Rs. 5222.2
431 | 2.Rs. 5777.7
432 | 3.Rs. 6222.2
433 | 4.Rs. 6777.7
434 | 
435 | Ans:2.5777.7
436 | 
437 | 16)In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to reach the target of 282 runs?
438 | 
439 | A.	6.25
440 | B.	6.5
441 | C.	6.75
442 | D.	7
443 | 
444 | Ans: A - 6.25
445 | 16)In the first 10 overs of a cricket game, the run rate was only 10. What should be the run rate in the remaining 10 overs to reach the target of 300 runs?
446 | 
447 | A.	19
448 | B.	20
449 | C.	33
450 | D.	9
451 | 
452 | Ans: B - 20
453 | 17)The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:
454 | 
455 | A.	200 m
456 | B.	225 m
457 | C.	245 m
458 | D.	250 m
459 | Ans : C - 245
460 | 
461 | 18)Mr. Thomas invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the amount invested in Scheme B?
462 | 
463 | A.	Rs. 6400
464 | B.	Rs. 6500
465 | C.	Rs. 7200
466 | D.	Rs. 7500
467 | Ans A-Rs 6400
468 | 
469 | 
470 | 19)The average weight of 10 men is decreased by 2 kg when one of them whose weight is 60 kg is replaced by a new man. What is the weight of the new man?
471 | A. 35 kg
472 | B. 40 kg
473 | C. 45 kg
474 | D. 50 kg
475 | Ans B-40 kg
476 | 	
477 | 20)A man purchased a cow for Rs. 3000 and sold it the same day for Rs. 3600, allowing the buyer a credit of 2 years. If the rate of interest be 10% per annum, then the man has a gain of:
478 | 
479 | A.	0%
480 | B.	5%
481 | C.	7.5%
482 | D.	10%
483 | Ans A 0%
484 | 
485 | 21) Find the next number in the sequence: 0, 6, 24, 60, 120, ___
486 | 
487 | A. 360
488 | B. 180
489 | C. 240
490 | D. 210
491 | Ans. - D. 210
492 | =======
493 | 
494 | 
495 | 
496 | 
497 | 
498 | 
499 | 
500 | 
501 | 
502 | 
503 | 
504 | 
505 | 
506 | 
507 | 
508 | 
509 | 
510 | 
511 | 
512 | 
513 | 
514 | 
515 | 
516 | 
517 | Q) By working 5 hours/day, 4 waiters can serve 250 dishes in 8 days. 2 waiters would require how many hours/day to serve 500 dishes in 20 days?
518 | 
519 | a) 8 hrs/day
520 | b) 6 hrs/day
521 | c) 7 hrs/day
522 | d) 9 hrs/day
523 | 
524 | Answer: 8 hrs/day
525 | 
526 | 19)Which term of the A.P. 4,9,14,19... is 109?
527 | A.12
528 | B.19
529 | C.22
530 | D.27
531 | Ans :c -22
532 | 
533 | 20)In a clock, the time is 3.25.What is the angle between the hour hand and the minute hand of the clock:
534 | A. 95/2 degrees
535 | B. 90/3 degrees
536 | C. 94/3 degrees
537 | D. 95/3 degrees
538 | 
539 | Ans:(A)
540 | Explanation: As, the hour hand covers 360 degrees in 12 hrs.
541 | In the clock the time is 3.25 = 3 hrs 25 min = 41/12 hrs.
542 | So, the angle traced by hour hand = (360/12 x 41/12) degrees = 205 degrees.
543 | The minute hand covers 360 degrees in 60 minutes.
544 | So, the angle is traced by minute hand in 25 min = (360/60 x 25) degrees = 150 degrees.
545 | Hence, the required angle of the clock = (150- 205/2) degrees = 95/2 degrees.
546 | 
547 | 21)In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?
548 | A.	30%
549 | B.	70%
550 | C.	100%
551 | D.	250%
552 | Ans: B -70%
553 | 
554 | 21)What is correct time and day of Ram's magical watch, which gains uniformly 300 seconds slow at time 08:00 on Sunday and 348 fast at 20;00 on following Sunday. 
555 | A. 21 min past 7 pm and Wednesday
556 | B. 20 min past 7 pm and Thursday
557 | C. 21 min past 7 pm and Thursday
558 | D. 20 min past 7 pm and Wednesday
559 | Answer: b -20 min past 7 pm and Thursday
560 | 
561 | 23)The banker's gain on a sum due 3 years hence at 12% per annum is Rs. 270. The banker's discount is:
562 | 
563 | A.	Rs. 960
564 | B.	Rs. 1020
565 | C.	Rs. 840
566 | D.	Rs. 760
567 | Answer: Option B
568 | =======
569 | 
570 | SECTION 4:
571 | 
572 | 1. A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?
573 | A. 3.6
574 | B. 7.2
575 | C. 8.4
576 | D. 10
577 | Answer: B
578 | 
579 | 2. An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 1 2/3 hours, it must travel at a speed of?
580 | A. 300 kmph
581 | B. 360 kmph
582 | C. 600 kmph
583 | D. 720 kmph
584 | Answer: D
585 | 
586 | 3. A car covers its journey at the speed of 80km/hr in 10hours. If the same distance is to be covered in 4 hours, by how much the speed of car will have to increase?
587 | A. 40km/hr
588 | B. 60km/hr
589 | C. 90km/hr
590 | D. 120km/hr
591 | Answer: D
592 | 
593 | 4. A person walking at 4 Kmph reaches his office 8 minutes late. If he walks at 6 Kmph, he reaches there 8 minutes earlier. How far is the office from his house?
594 | A. 3 1/5 Km
595 | B. 2 1/5 Km
596 | C. 4 1/5 Km
597 | D. 5 1/5 Km
598 | Answer: A
599 | 
600 | 5. An express train travelled at an average speed of 100 km/hr, stopping for 3 minutes after every 75 km. How long did it take to reach its destination 600 km from the starting point?
601 | A. 6 hrs 27 min
602 | B. 6 hrs 24 min
603 | C. 6 hrs 21 min
604 | D. 6 hrs 30 min
605 | Answer: C
606 | 
607 | 6. Two trains starting at the same time from 2 stations 200 km apart and going in opposite direction cross each other at a distance of 110 km from one of the stations. What is the ratio of their speeds?
608 | A.11:9
609 | B. 7:3
610 | C. 18:4
611 | D. None of these
612 | Answer: A
613 | 
614 | 7. Walking at the rate of 4 kmph a man cover a certain distance in 2 hr 45 min. Running at a speed of 16.5 kmph the man will cover the same distance in.
615 | A. 12 min
616 | B. 40 min
617 | C. 50 min
618 | D. 60 min
619 | Answer: B
620 | 
621 | 8. Walking 6/7th of his usual speed, a man is 12 minutes too late. What is the usual time taken by him to cover that distance?
622 | A. 1 hr 42 min
623 | B. 1 hr
624 | C. 2 hr
625 | D. 1 hr 12 min
626 | Answer: D
627 | 
628 | 9. The speed of a car increases by 2 kms after every one hour. If the distance travelling in the first one hour was 35 kms. what was the total distance travelled in 12 hours?
629 | A. 456 km
630 | B. 482 km
631 | C. 558 km
632 | D. 552 km
633 | Answer: D
634 | 
635 | 10. A runner can complete a 750 m race in two and a half minutes. Will he be able to beat another runner who runs at 17.95 km/hr?
636 | A. Yes
637 | B. No
638 | C. Insufficient Data
639 | D. None
640 | Answer: A
641 | 
642 | 11. Express 25 mps in kmph?
643 | A. 15 kmph
644 | B. 99 kmph
645 | C. 90 kmph
646 | D. None
647 | Answer: C
648 | 
649 | 12. How long will a boy take to run round a square field of side 35 meters, If he runs at the rate of 9 km/hr?
650 | A. 50 sec
651 | B. 52 sec
652 | C. 54 sec
653 | D. 56 sec
654 | Answer: D
655 | 
656 | 13. A speed of a train is 20 meters per second. It can cross a pole in 10 seconds. What is the length of a train?
657 | A. 150 m
658 | B. 250 m
659 | C. 200 m
660 | D. 300 m
661 | Answer: C
662 | 
663 | Explaination : As the speed of a train i.e v = 20 m/s. 
664 | it can cross a pole in 10 seconds , t = 10 sec.
665 | length of a train = Distance covered by it (d)
666 | we know that distance = velocity * time
667 | d = v * t = 20 * 10 = 200 m.
668 | Therefore distance = 200 m.
669 | so the length of the train is 200 m. 
670 | 
671 | 14. Nancy travelled a distance of 455 km by car in 10 hours. Find the speed of the car.
672 | A. 25.5 km/hr
673 | B. 45.5 km/hr
674 | C. 30 km/hr
675 | D. 65 km/hr
676 | Answer: B
677 | 
678 | 15. A person goes from A to B at the speed of 40 kmph and comes back at the speed of 60 kmph. What is his average speed for the whole journey?
679 | A. 56 km/h
680 | B. 48 km/h
681 | C. 36 km/h
682 | D. 25 km/h
683 | Answer: B
684 | 
685 | 16. Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds.The ratio of their speeds is:
686 | A. 1:3
687 | B. 3:2
688 | C. 3:4
689 | D. None of these
690 | Answer: Option B. 3:2
691 | 
692 | ----------------------------------
693 | 
694 | 
695 | SECTION 5 :
696 | 
697 | 1. A right triangle with sides 3 cm, 4 cm and 5 cm is rotated the side of 3 cm to  form a cone. The volume of the cone so formed is:
698 | A.	12 cm3
699 | B.	15 cm3
700 | C.	16 cm3
701 | D.	20 cm3
702 | ANSWER: A
703 | 
704 | 2. In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is:
705 | A.	75 cu. m
706 | B.	750 cu. m
707 | C.	7500 cu. m
708 | D.	75000 cu. m
709 | ANSWER: B
710 | 
711 | 3.A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:
712 | A.	720
713 | B.	900
714 | C.	1200
715 | D.	1800
716 | ANSWER: C
717 | 
718 | 4. 66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be:
719 | A.	84
720 | B.	90
721 | C.	168
722 | D.	336
723 | ANSWER: A
724 | 
725 | 5. A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 8 g/cm3, then the weight of the pipe is:
726 | A.	3.6 kg
727 | B.	3.696 kg
728 | C.	36 kg
729 | D.	36.9 kg
730 | ANSWER: B 
731 | 
732 | 6. The banker's discount on a sum of money for 1 years is Rs. 558 and the true discount on the same sum for 2 years is Rs. 600. The rate percent is:
733 | 
734 | A.	10%
735 | B.	13%
736 | C.	12%
737 | D.	15%
738 | Answer: C
739 | 	
740 | A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
741 | 
742 | A.	120 metres
743 | B.	180 metres
744 | C.	324 metres
745 | D.	150 metres
746 | Answer: Option D
747 | 	
748 | A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:
749 | 
750 | A.	45 km/hr
751 | B.	50 km/hr
752 | C.	54 km/hr
753 | D.	55 km/hr
754 | Answer: Option B
755 | 
756 | 
757 | A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.
758 | 
759 | A.	2 hours
760 | B.	3 hours
761 | C.	4 hours
762 | D.	5 hours
763 | Answer: Option C
764 | 
765 | Sohan started a business with a capital of Rs. 80000. After 6 months Mohan joined as a partner by investing Rs. 65000. After one year they earned total profit Rs. 20000. What is share of Sohan in the profit?
766 | 
767 | A. Rs. 5222.2
768 | B. Rs. 5777.7
769 | C. Rs. 6222.2
770 | D. Rs. 6777.7
771 | Answer : Option B
772 | 
773 | If the radius of a circle is diminished by 10%, then its area is diminished by:
774 | 
775 | A.      10%
776 | B.      19%
777 | C.      20%
778 | D.      36%
779 | Answer: Option c
780 | 
781 | A trader marks his goods 45% above the cost price and gives a discount of 20% on the marked price. The gain % on goods he makes is:
782 | 
783 | A.      35%
784 | B.      12%
785 | C.      26%
786 | D.      16%
787 | Answer: Option d
788 | 
789 | Which of the follow successive discount is better for to a customer?
790 | a) 20%,15%, 10% or
791 | b) 25%, 12%, 8%
792 | 
793 | A.      a) is better
794 | B.      b) is better
795 | C.      both a) or b) are same
796 | D.      None of these
797 | Answer: Option b
798 | 
799 | If x:y = 3:2 and y:z = 6:5 then x:y:z = ?
800 | 
801 | A.      9:6:4
802 | B.      9:6:5
803 | C.      3:2:0.5
804 | D.      3:6:5
805 | Answer: Option b
806 | 
807 | If 10 men complete a piece of work in 30 days, how many men are required to complete the same in 25 days?
808 | A.      35
809 | B.      18
810 | C.      12
811 | D.      20
812 | Answer: Option c
813 | 
814 | Bunty can do 25% of work in 10 days. How many days will he take to complete a work equal to 5 times this work?
815 | A.	250 days
816 | B.	200 days
817 | C.	300 days
818 | D.	350 days
819 | Answer: Option b
820 | 
821 | 10 men can dig a hole in 18 days. After 6 days, 5 more men joined. After how many days the remaining work would be completed?
822 | A.	16 days
823 | B.	11 days
824 | C.	8 days
825 | D.	18 days
826 | Answer: Option c
827 | 
828 | 18 men working 8 hours a day can complete a work in 5 days. Working at a rate of 6 hours a day, the number of men required to finish the work in 10 days is?
829 | A.	12 days
830 | B.	10 days
831 | C.	15days
832 | D.	20 days
833 | Answer: Option A
834 | 
835 |  The Central Rice Research Station is situated in?
836 | (a) Chennai
837 | (b) Cuttack
838 | (c) Bangalore
839 | (d) Quilon
840 | Answer: Option b
841 | 


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