6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Both S.I. and C.I. is calculated with a similar rate of 10% per annum on a sum of rupees. If C.I. is calculated yearly for two years, then for what period must S.I. be evaluated such that S.I. = C.I.?

A) 4.2 years	B) 2.1 years
C) 1.1 years	D) 1.4 years

Answer & Explanation Answer: B) 2.1 years

Explanation:

Let time period of S.I. be T years.

Then for a principal amount, say P,

ATQ, as, S.I. = C.I. for rate =10%p.a. and

time for C.I. = 2(P x 10 x T)/100 = P{[ (100+10)/100 ]2-1}T/10 = [ 110/100 ]2–1 = [(11/10)2–1] = (121-100)/100T/10 = 21/100T = 21/10 = 2.1 years

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Filed Under: Simple Interest
Exam Prep: Bank Exams
Job Role: Bank PO , Bank Clerk

1 1986

Q:

Choose the word is least like the other words in the group

A) Shoulder	B) Foot
C) Finger	D) Elbow

Answer & Explanation Answer: B) Foot

Explanation:

All except foot are part of hands.

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 1986

Q:

If a - b = 1 and ab = 6, then what is the value of $a^{3} - b^{3}$ ?

A) 21	B) 23
C) 19	D) 25

Answer & Explanation Answer: C) 19

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1986

Q:

In how many years will Rs 2,000 yield Rs 662 as compound interest at 10% per annum compounded annually?

A) 3	B) 2
C) 4	D) 5

Answer & Explanation Answer: A) 3

Explanation:

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Filed Under: Compound Interest
Exam Prep: Bank Exams

6 1985

Q:

What would be the smaller of the two angles formed by the hour hand and the minute hand at 4:52 p.m?

A) 162 deg	B) 164.5 deg
C) 165 deg	D) 166 deg

Answer & Explanation Answer: D) 166 deg

Explanation:

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Filed Under: Clocks
Exam Prep: Bank Exams

9 1985

Q:

Which of the following numbers will have an irrational square root?

A) 1024	B) 2401
C) 4096	D) 2048

Answer & Explanation Answer: D) 2048

Explanation:

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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

2 1985

Q:

If $\frac{cosθ}{1 - sinθ} + \frac{cosθ}{1 + sinθ} = 4$ , then the value of $θ (0 ° < θ < 90 °)$ ?

A) 60°	B) 45°
C) 30°	D) 35°

Answer & Explanation Answer: A) 60°

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1984

Q:

An equilateral triangle of side 6 cm is inscribed in a circle. Then radius of the circle is

A) 2√3 cm	B) 3√2 cm
C) 4√3 cm	D) √3 cm

Quantitative Aptitude - Arithmetic Ability Questions

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