6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Select the related number from the given alternatives.
0.02 : 0.002 :: 1/3 : ?

A) 0.333	B) 1/30
C) 0.003	D) 3

Answer & Explanation Answer: B) 1/30

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

3 2136

Q:

The number of trees in a town is 17640. If the numbers of trees increases annually at the rate of 5%, then how many trees were there 2 years ago?

A) 14000	B) 15000
C) 16000	D) 18000

Answer & Explanation Answer: C) 16000

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: Bank Exams

6 2136

Q:

What is the value of $(32 \cos^{6} x - 48 \cos^{4} x + 18 \cos^{2} x - 1) / [4 \sin x \cos x \sin (60 - x) \cos (60 - x) \sin (60 + x) \cos (60 + x)]$ ?

A) 4 tan 6x	B) 4 cot 6x
C) 8 cot 6x	D) 8 tan 6x

Answer & Explanation Answer: C) 8 cot 6x

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 2135

Q:

What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?

√(3099.985 ÷ 62.001 + 14.001) = ?

A) 8	B) 13
C) 18	D) 23

Answer & Explanation Answer: A) 8

Explanation:

Ans.
√(3100 ÷ 62 + 14) = ?
√(50 + 14) = ?
√64 = ?
? = 8

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , GATE

0 2135

Q:

$(2^{51} + 2^{52} + 2^{53} + 2^{54} + 2^{55})$ is divided by

A) 23	B) 58
C) 124	D) 127

Answer & Explanation Answer: C) 124

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Quantitative Aptitude - Arithmetic Ability

0 2134

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

Report Error

View Answer Report Error Discuss

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

1 2134

Q:

ABCD is a rectangle. P is a point on the side AB as shown in the given figure. If Dp = 13, CP = 10

A) √105	B) √133
C) 12	D) 10

Answer & Explanation Answer: A) √105

Explanation:

Report Error

View Answer Report Error Discuss

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

1 2133

Q:

Of the 5 numbers whose average is 72, the first is 1/8 times the sum of other 4. The first number is _____.

A) 60	B) 26
C) 40	D) 80

Quantitative Aptitude - Arithmetic Ability Questions

Quick Links