Aptitude and Reasoning Questions

Q:

If a + b = 10 and ab = 21, then the value of (a - b)2 is

A) 15 B) 16
C) 17 D) 18
 
Answer & Explanation Answer: B) 16

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If the numbers  93, 204, 256 are arranged in ascending order, then the right arrangement is 

A) 256 < 204 < 93 B) 93 < 204 < 256
C) 204 < 256 < 93 D) 256 < 93 < 204
 
Answer & Explanation Answer: D) 256 < 93 < 204

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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

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Q:

Product of digits of a 2-digit number is 15. If we add 18 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

A) 35 B) 15
C) 51 D) 21
 
Answer & Explanation Answer: A) 35

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

x and y are two numbers such that their mean proportion is 8 and third proportion is 512. What is the value of x and y?

A) 2 and 16 B) 2 and 32
C) 4 and 32 D) 4 and 16
 
Answer & Explanation Answer: B) 2 and 32

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams , CAT

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Q:

In the following question, select the related number from the given alternatives.
49 : 169 : : 66 : ?

A) 126 B) 132
C) 144 D) 162
 
Answer & Explanation Answer: C) 144

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Filed Under: Analogy
Exam Prep: Bank Exams

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Q:

If X=32, then the value of 27x3-54x2+36x-11 is

A) 1138 B) 1158
C) 1238 D) 1258
 
Answer & Explanation Answer: D) 1258

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Q:

The measures of the four angles of a quadrilateral are in the ratio 1:2:3:4. What is the measure of the biggest angle?

A) 36° B) 144°
C) 72° D) 108°
 
Answer & Explanation Answer: B) 144°

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

Pankaj has done 1/2 of a job in 12 days, Sainath completes the rest of the job in 6 days. In how many days can they together do the job?

A) 4 days B) 12 days
C) 8 days D) 16 days
 
Answer & Explanation Answer: C) 8 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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