Aptitude and Reasoning Questions

Q:

The area of an equilateral triangle is 25√3 sq.cm. Find its side (in cm).

A) 10 B) 5
C) 20 D) 30
 
Answer & Explanation Answer: A) 10

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Filed Under: Area
Exam Prep: Bank Exams , CAT

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Q:

If 70$7 = -10, 50$5 = -10 and 40$8 = -5, then find the value of 10$2 = ?

A) 50 B) -10
C) 16 D) -5
 
Answer & Explanation Answer: D) -5

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

Mahmood can do a piece of work in 40 hours. If he is joined by Janaki who is 50% more efficient, in what time will they together finish the work?

A) 2 hours B) 6 hours
C) 16 hours D) 3 hours
 
Answer & Explanation Answer: C) 16 hours

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

The two equal sides of an isosceles triangle is 20 cm each and the third side is 30 cm. What is the area(in cm2) of the triangle?

A) 50√5 B) 100
C) 75√7 D) 175
 
Answer & Explanation Answer: C) 75√7

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

What is the value of 5.6x0.36+0.42x3.20.8 x 2.1 ?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the value of [(sin 7x – sin 5x)÷(cos 7x + cos 5x)] – [(cos 6x – cos 4x)÷(sin 6x + sin 4x)]?

A) 1 B) 2 tan x
C) tan 2 x D) tan (3 x/2)
 
Answer & Explanation Answer: B) 2 tan x

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A General of an Army wants to create a formation of square from 36562 army men. After arrangement, he found some army men remained unused. Then the number of such army men remained unused was

A) 36 B) 65
C) 81 D) 97
 
Answer & Explanation Answer: C) 81

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Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams

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Q:

If a - b = 2 and ab = 8, then what is the value of a3 - b3?

A) 65 B) 34
C) 43 D) 56
 
Answer & Explanation Answer: D) 56

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Filed Under: Simplification
Exam Prep: Bank Exams

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