6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Which of the following numbers is not a prime number?

A) 197	B) 313
C) 439	D) 391

Answer & Explanation Answer: D) 391

Explanation:

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Filed Under: Problems on Numbers
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Q:

If PA and PB are two tangents to a circle with centre O such that $∡$ APB = 80°. Then $∡$ AOP =

A) 40°	B) 50°
C) 60°	D) 70°

Answer & Explanation Answer: B) 50°

Explanation:

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Filed Under: Volume and Surface Area
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Q:

The number of students in a class is increased by 20% and the number now becomes 66. Initially the number was

A) 45	B) 50
C) 55	D) 60

Answer & Explanation Answer: C) 55

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

If the length of the shadow of a vertical pole be √3 times the height of the pole, the angle of elevation of the sun is:

A) 60°	B) 45°
C) 30°	D) 90°

Answer & Explanation Answer: C) 30°

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

Josna takes 4 hrs 30 min in walking a distance and riding back to some place where she started. She could walk both ways in 5 hrs 40 min. The time taken by her to ride back both ways is

A) 3 hr 20 min	B) 3 hr 35 min
C) 3 hr 45 min	D) 3 hr 15 min

Answer & Explanation Answer: A) 3 hr 20 min

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

Find two natural numbers whose sum is 85 andtheleast common multiple is 102.

A) 30 & 55	B) 17 & 68
C) 35& 55	D) 51 & 34

Answer & Explanation Answer: D) 51 & 34

Explanation:

Let a + b = 85→b = 85 –a

LCM(a,b) =102→ab = 102

k→a(85 –a) = 102k, where k is a natural number.

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Filed Under: Numbers
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Q:

What are the co-ordinates of the centroid of a triangle, whose vertices are A(-2,5), B(3,-2) and C(5,3)?

A) (-2,-2)	B) (-2,2)
C) (2,2)	D) (2,-2)

Answer & Explanation Answer: C) (2,2)

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If a+1/a = 3, then $a^{3} + \frac{1}{a^{3}}$ ?

A) 12	B) 18
C) 9	D) 6

Quantitative Aptitude - Arithmetic Ability Questions

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