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

0 1860

Q:

If $\frac{a^{2}}{b + c} = \frac{b^{2}}{c + a} = \frac{c^{2}}{a + b} = 1$ then the value of $\frac{2}{1 + a} + \frac{2}{1 + b} + \frac{2}{1 + c}$

A) 0	B) 1
C) 2	D) 3

Answer & Explanation Answer: C) 2

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Findout the odd word/letters/number/number pair from the given alternatives.

A) 8912	B) 3469
C) 5555	D) 6734

Answer & Explanation Answer: B) 3469

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

1 1859

Q:

If Cos θ = 5/13, then Cosec θ = ?

A) 5/12	B) 12/5
C) 13/5	D) 13/12

Answer & Explanation Answer: D) 13/12

Explanation:

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Exam Prep: Bank Exams

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Q:

The length of diagonal of a square is 9√2 cm. The square is reshaped to form a triangle. What is the area (in sq.cm) of largest in circle that can be formed in that triangle?

A) 6π	B) 9π
C) 12π	D) 15π

Answer & Explanation Answer: C) 12π

Explanation:

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

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Q:

The perimeter and the length of one of the diagonals of a rhombus is 34 cm and 8 cm respectively. Find the length of its other diagonal (in cm).

A) 7.5	B) 30
C) 22.5	D) 15

Answer & Explanation Answer: D) 15

Explanation:

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

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Q:

If θ be positive acute angle and 5cosθ + 12sinθ = 13, then the value of cosθ is

A) 12/13	B) 5/13
C) 5/12	D) 1/5

Answer & Explanation Answer: B) 5/13

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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Q:

Due to inclement weather, an air plane reduced its speed by 300 Km/ hr, and reached the destination of 1200 km late by 2hrs. Then the schedule duration of the flight was.

A) 1 hour	B) 1.5 hour
C) 2 hour	D) 2.5 hour

Quantitative Aptitude - Arithmetic Ability Questions

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