Quantitative Aptitude - Arithmetic Ability Questions

Q:

John is 15 years younger than Jill, 12 years ago, Jill's age was 1.5 times that of John. Jill is now ___ years old.

A) 57 B) 30
C) 42 D) 45
 
Answer & Explanation Answer: A) 57

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

Two numbers are 35% and 40% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

A) 7.69 percent B) 5 percent
C) 8.33 percent D) 12.5 percent
 
Answer & Explanation Answer: C) 8.33 percent

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

The volume of a right circular cone, whose radius of the base is same as one-third of its altitude, and the volume of a sphere are equal. The ratio of the radius of the cone to the radius of the sphere is :

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

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Q:

A bus is running at a speed of 90 kmph. What distance will it cover in 20 seconds?

A) 500 m B) 450 m
C) 180 m D) 600 m
 
Answer & Explanation Answer: A) 500 m

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

Koushik can do a piece of work in X days and Krishnu can do the same work in Y days. If they work together, then they can do the work in

A) (X+Y) days B) 1x+y days
C) xyx+y days D) x+yxy days
 
Answer & Explanation Answer: D) x+yxy days

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Q:

If a -­ b = 6 and ab =16, then a3 -­ b3 is

A) 504 B) 702
C) 728 D) 511
 
Answer & Explanation Answer: A) 504

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Find the value of 491321973

A) 17/13 B) 13/17
C) 13/7 D) 17/7
 
Answer & Explanation Answer: A) 17/13

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Filed Under: Simplification
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Q:

In ΔABC measure of angle B is 90 deg. If cosA = 5/13, and AB = 10 cm, then what is the length (in cm) of side BC?

A) 26 B) 24
C) 25 D) 5
 
Answer & Explanation Answer: B) 24

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Filed Under: Simplification
Exam Prep: Bank Exams , CAT

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