Aptitude and Reasoning Questions

Q:

What is the value of Sin 30° - Cosec 45°?

A) (2√6 - 1)/√3 B) (1 - 2√3)/2
C) (√2 - √3)/√6 D) (1 - 2√2)/2
 
Answer & Explanation Answer: D) (1 - 2√2)/2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A, B and C can finish a job working alone in 20, 30 and 60 days respectively. They all work together for 1 day, then A and B quit. How many days C working alone will take to finish the remaining part of the job?

A) 60 B) 54
C) 6 D) 27
 
Answer & Explanation Answer: B) 54

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

If the difference between the compound interest and the simple interest on a certain sum at the rate of 5% per annum for 2 years is Rs. 20, then the sum is

A) Rs. 2000 B) Rs. 4000
C) Rs. 6000 D) Rs. 8000
 
Answer & Explanation Answer: D) Rs. 8000

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Filed Under: Compound Interest
Exam Prep: Bank Exams , CAT

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Q:

The average of 100 observations was calculated as 35.It was found later, that one of the observation was misread as 83 instead of 53. The correct average is :

A) 32.7 B) 34.7
C) 35.7 D) 36.7
 
Answer & Explanation Answer: B) 34.7

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Δ LMN is right angled at M. If m∠N = 60 deg., then Tan L =______.

A) 1/2 B) 1/√3
C) 1/√2 D) 2
 
Answer & Explanation Answer: B) 1/√3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Select the one in which question figure is hidden or not?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: C) 3

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Filed Under: Image Analysis
Exam Prep: Bank Exams

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Q:

If the diameter of a hemisphere is 21 cm, then what is the volume (in cub.cm) of hemisphere?

A) 2810 B) 1250.5
C) 1725.25 D) 2425.5
 
Answer & Explanation Answer: D) 2425.5

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

In this question, the sets of numbers given in the alternatives are represented. The columns and rows of Matrix I are numbered from 0 to 4 and that ofMatrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g., A can be represented by 02,10, etc.,and 'B' can be represented by 57, 65, etc. Similarly you have to identify the set for the word 'FADE'

A) 76, 02, 75, 32 B) 68,20,57, 14
C) 55, 33, 65, 23 D) 89, 10, 96, 4
 
Answer & Explanation Answer: A) 76, 02, 75, 32

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Filed Under: Figure Matrix
Exam Prep: Bank Exams

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