Aptitude and Reasoning Questions

Q:

12 men or 30 boys can complete a work in 72 days. How many days will 48 men and 24 boys will take to complete the same work?

A) 20 B) 18
C) 15 D) 25
 
Answer & Explanation Answer: C) 15

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

The angle of elevation of the top of a hill at the foot of the tower is 60 deg and the angle of elevation of the top of the tower from the foot of the hill is 30 deg. If the tower is 50 m high, what is the height of the hill?

A) 100 m B) 120 m
C) 180 m D) 150 m
 
Answer & Explanation Answer: D) 150 m

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Filed Under: Height and Distance
Exam Prep: Bank Exams

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Q:

What is the value of equation a3+b3+c3-3abc if a2+b2+c2=ab+bc+ca+4 and a+b+c = 4.

A) 0 B) 1
C) 16 D) 256
 
Answer & Explanation Answer: C) 16

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

2sin[(C+D)/2].sin[(D­-C)/2] is equal to

A) cosC + cosD B) cosC ­- cosD
C) sinC ­- sinD D) sinC + sinD
 
Answer & Explanation Answer: B) cosC ­- cosD

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the value of [(sin x + sin y) (sin x – sin y)]/[(cosx + cosy) (cosy – cosx)]?

A) 0 B) 1
C) – 1 D) 2
 
Answer & Explanation Answer: B) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Find length of the arc whose central angle is 90° and radius of the circle is 3.5 cm?

A) 11 cm B) 5.5 cm
C) 16.5 cm D) 22 cm
 
Answer & Explanation Answer: B) 5.5 cm

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

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Q:

Which of the following is NOT prime number?

A) 251 B) 571
C) 331 D) 341
 
Answer & Explanation Answer: D) 341

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

sin(A+B) -­ sin(A-­B) is equal to

A) 2sinAcosB B)  2cosAcosB
C) 2cosAsinB D) 2sinAsinB
 
Answer & Explanation Answer: C) 2cosAsinB

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Filed Under: Simplification
Exam Prep: Bank Exams

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