Quantitative Aptitude - Arithmetic Ability Questions

Q:

The ratio of present ages of Ramya and Saurabh is 8:7. After 10 years the ratio of their ages will be 12:11. What is Ramya's present age?

A) 20 B) 14
C) 63 D) 45
 
Answer & Explanation Answer: A) 20

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Filed Under: Problems on Ages
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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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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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Q:

If a + b = 5 and ab = 6, then what is the value of a3 + b3?

A) 32 B) 38
C) 35 D) 34
 
Answer & Explanation Answer: C) 35

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Filed Under: Simplification
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Q:

The least number which when divides 37044, gives the result a perfect cube, is:

A) 2 B) 4
C) 14 D) 21
 
Answer & Explanation Answer: B) 4

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Filed Under: Numbers
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Q:

In a triangle, the distance of the centroid from the three vertices is 4cm, 6cm and 8cm respectively. Then the length of the smallest median is:

A) 8 B) 7
C) 6 D) 5
 
Answer & Explanation Answer: C) 6

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Filed Under: Area
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Q:

On dividing 8a2b2c2 by 4a2, we get

A) 2b2 B) 2c2
C) 2b2c2 D) 2
 
Answer & Explanation Answer: C) 2b2c2

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Q:

What is the simplified value of cosec Acot A + tan A2 ?

A) 2cos 2A B) 1 – sin2 A
C) sec2A D) secA tanA
 
Answer & Explanation Answer: B) 1 – sin2 A

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