6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If curved surface area of a cylinder is 1386 sq cm and height is 21 cm, what will be its radius? (Take π = 22/7)

A) 21 cms	B) 5.25 cms
C) 10.5 cms	D) 15.75 cms

Answer & Explanation Answer: C) 10.5 cms

Explanation:

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

1 1328

Q:

Out of the 60 students of a class, 29 took Mathematics, 32 took Biology and 8 took none of the two subjects. How many students took both Mathematics and Biology?

A) 8	B) 9
C) 7	D) 6

Answer & Explanation Answer: B) 9

Explanation:

Number of students who took only Mathematics n(m) = 29
Number of students who took only biology n(b) = 32
Total number of students n(t) = 60
Total number of students of both mathematics and biology n(m b) = 60 - 8 = 52
Total number of students who took both = 32 + 29 - 52 = 9

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

0 1328

Q:

$\sec^{2} {Acosec}^{2} A$ is equal to

A) sec2A - cosec2A	B) √[sec2A + cosec2A]
C) sec2A + cosec2A	D) √[sec2A - cosec2A]

Answer & Explanation Answer: C) sec2A + cosec2A

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the value of $\sin (90 ° + 2 A) [4 - \cos 2 (90 ° - 2 A)] ?$

A) 2(cos3 A – sin3 A)	B) 2(cos3 A + sin3 A)
C) 4(cos6 A+ sin6 A)	D) 4(cos6 A – sin6 A)

Answer & Explanation Answer: D) 4(cos6 A – sin6 A)

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Cost price of a watch is Rs 530. If the loss percentage is 24%, then what is the value (in Rs) of loss?

A) 127.2	B) 153.2
C) 139.4	D) 114.2

Answer & Explanation Answer: A) 127.2

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Filed Under: Percentage
Exam Prep: Bank Exams

1 1327

Q:

What is the reflection of the point (5, -2) in the line y = -1?

A) (-7 , -2)	B) (-5 , 0)
C) (5 , 0)	D) (-7 , 2)

Answer & Explanation Answer: C) (5 , 0)

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Select the odd letters from the given alternatives.

A) LMN	B) PPQ
C) RST	D) VWX

Answer & Explanation Answer: B) PPQ

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

In the following question, select the odd word pair from the given alternatives.

A) Figure – Rectangle	B) Ornament – Ring
C) Vehicle – Scooter	D) Necklace – Ornament

Quantitative Aptitude - Arithmetic Ability Questions

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