6500+ Quantitative Aptitude Questions and Answers With Explanation

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

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Q:

In the following question, select the odd letters from the given alternatives.

A) M	B) E
C) S	D) W

Answer & Explanation Answer: B) E

Explanation:

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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 letter/letters from the given alternatives.

A) OKGC	B) TPLH
C) XSOK	D) YUQM

Answer & Explanation Answer: C) XSOK

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

The ratio of three numbers is 2 : 5 : 7. If their product is 1890, then what is the sum of the three numbers?

A) 82	B) 140
C) 42	D) 72

Answer & Explanation Answer: C) 42

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

1 1496

Q:

What is the value of Tan 45° + 4/√3 Sec 60°?

A) (√3 + 8)/√3	B) (√3 + 8)/3
C) (√3 - 8)/√3	D) (√3 - 8)/3

Answer & Explanation Answer: A) (√3 + 8)/√3

Explanation:

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Q:

If the value $\sqrt{5} = 2.236$ ,then calculate the value of $\sqrt{405} - \frac{1}{2} \sqrt{80} - \sqrt{125}$

A) 2.236	B) 4.472
C) 1.118	D) 8.994

Answer & Explanation Answer: B) 4.472

Explanation:

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Exam Prep: Bank Exams

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Q:

What is the reflection of the point (5, 3) in the line y = -2?

A) (-9 , 3)	B) (-5 , -7)
C) (-9 , -3)	D) (5 , -7)

Answer & Explanation Answer: D) (5 , -7)

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

In ΔXYZ measure of angle Y is 90°. If cosecX = 17/15, and XY = 4cm, then what is the length (in cm) of side YZ?

A) 7.5	B) 8.5
C) 5	D) 6

Quantitative Aptitude - Arithmetic Ability Questions

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