6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The ratio of two numbers is 3 : 4 and their H.C.F is 4. Their L.C.M is

A) 12	B) 16
C) 24	D) 48

Answer & Explanation Answer: D) 48

Explanation:

Let the numbers be 3x and 4x . Then their H.C.F = x. So, x=4

Therefore, The numbers are 12 and 16

L.C.M of 12 and 16 = 48

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Filed Under: HCF and LCM

127 55935

Q:

Correct expression of $0.0 \bar{18}$ = ?

A) 1/55	B) 18/100
C) 18/1000	D) 1/66

Answer & Explanation Answer: C) 18/1000

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

3 55935

Q:

Select the odd figure out of the following series.

A) 3	B) 4
C) 2	D) 1

Answer & Explanation Answer: A) 3

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 55876

Q:

The area of a square is 60.5 cm². Find the length of its diagonal (in cm).

A) 5.5	B) 22
C) 11	D) 16.5

Answer & Explanation Answer: C) 11

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

0 55856

Q:

If a=2b/3, b=2c/3, and c=2d/3, then find the ratio of b and d:

A) 8/9	B) 4/9
C) 4/3	D) 5/27

Answer & Explanation Answer: B) 4/9

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

3 55771

Q:

$\frac{\sin 30 °}{1 + \cos 30 °} + \frac{1 + \cos 30 °}{\sin 30 °}$ = ?

A) 4	B) 3
C) 1	D) 2

Answer & Explanation Answer: A) 4

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 55706

Q:

Find the odd man out of the following number series?

222, 271, 308, 332, 348, 357

A) 271	B) 308
C) 332	D) 348

Answer & Explanation Answer: B) 308

Explanation:

Here the given series 222, 271, 308, 332, 348, 357 follows a pattern that

222

222 + 49 271

271 + 36 = 307 (NOT 308)

307 + 25 = 332

332 + 16 = 348

348 + 9 = 357

Hence, the odd man in the fiven number series is 308.

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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1 55694

Q:

If $cosθ = 4 / 5$ , then $(secθ + cosecθ) =$

A) 7/5	B) 15/12
C) 35/12	D) 12/5

Quantitative Aptitude - Arithmetic Ability Questions

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