Aptitude and Reasoning Questions

Q:

In the question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its coloumn,e.g., A can be represented by 14,21,33 etc., and P can
be represented by 56,75,87 etc. You have to identify the set for the word 'ARTS'.

A) 02, 12, 22, 67 B) 40, 41, 42, 78
C) 95, 34, 23, 86 D) 65, 22, 23, 67
 
Answer & Explanation Answer: D) 65, 22, 23, 67

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Filed Under: Figure Matrix
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Q:

If a+b+c=15 and 1a+1b+1c=71abc, then the a3+b3+c3-3abc is

A) 160 B) 180
C) 200 D) 220
 
Answer & Explanation Answer: B) 180

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Q:

A sum of Rs 4000 becomes Rs 5800 in 3 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 2 years?

 

A) 4430   B) 5450  
C) 5290   D) 4970
 
Answer & Explanation Answer: C) 5290  

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Filed Under: Compound Interest
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Q:

The following table represents the transport preferences of a certain number of people in three towns V, K and S. Consider the information and answer the following questions based on it.

 

 

The difference between people who prefer taxi to own car is?

A) 5 B) 10
C) 15 D) 20
 
Answer & Explanation Answer: A) 5

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Filed Under: Table Charts
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Q:

Out of the 100 nature lovers, 20 people wanted to see only bison, 30 wanted to see both bison and tiger, 15 wanted to see only leopard, 25 wanted to see only tiger, 5 wanted to see both bison and leopard and the remaining wanted to see only bear.

 

How many people who wanted to see bison did not want to see leopard?

A) 5 B) 15
C) 50 D) 55
 
Answer & Explanation Answer: C) 50

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Filed Under: Logical Venn Diagram
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Q:

Find the number of prime factor of 20790.

A) 7 B) 9
C) 11 D) 13
 
Answer & Explanation Answer: A) 7

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Filed Under: Problems on Numbers
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Q:

The mean of distribution is 11 and the standard deviation is 5. What is the value of the coefficient variation?

A) 45.45% B) 35.35%
C) 25.25% D) 55.55%
 
Answer & Explanation Answer: A) 45.45%

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Filed Under: Probability
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Q:

Present ages of Sai and Satheesh are in the ratio of 5:4 respectively. Three years hence, the ratio of their ages will become 11:9 respectively. What is Satheesh's present age in years?

A) 21 B) 24
C) 22 D) 23
 
Answer & Explanation Answer: B) 24

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Filed Under: Problems on Ages
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