6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The height and the slant height of a right circular cone are 24 cm and 25 cm, respectively. Considering π as 22/7 , find the curved surface area of the said cone.

A) 550 cm2	B) 572 cm2
C) 528 cm2	D) 539 cm2

Answer & Explanation Answer: A) 550 cm2

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Filed Under: Height and Distance
Exam Prep: AIEEE , Bank Exams , CAT

4 1585

Q:

Area of 4 walls of a cuboid 400 sq cm, its length is 15 cm and height is 8 cm. What is its breadth (in cm)?

A) 12	B) 20
C) 24	D) 10

Answer & Explanation Answer: D) 10

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

Find the Greatest Common Factor of 280 and 144.

A) 2	B) 8
C) 6	D) 4

Answer & Explanation Answer: B) 8

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Filed Under: HCF and LCM
Exam Prep: Bank Exams

6 1585

Q:

If cot π/3c - tan π/4c = x, then the value of x is

A) √3+2	B) (1-√3)/√3
C) (1-√2)/√2	D) (√3+4)/2√3

Answer & Explanation Answer: B) (1-√3)/√3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Of three positive numbers, the ratio of first and second is 5 : 2, ratio of second and third is 5 : 4. The product of first and third is 1800. What is the sum of the three numbers?

A) 43	B) 133
C) 119	D) 129

Answer & Explanation Answer: D) 129

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

What is the area (in sq cm) of a rectangle if its diagonal is 25 cm and one of its sides is 24 cm?

A) 186	B) 144
C) 132	D) 168

Answer & Explanation Answer: D) 168

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If ax + by = 1 and $bx + ay = \frac{2 ab}{a^{2} + b^{2}}$ then $(x^{2} + y^{2}) (a^{2} + b^{2})$ is equal to

A) 1	B) 2
C) 0.5	D) 0

Answer & Explanation Answer: A) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If sec θ (cos θ + sin θ) = √2, then what is the value of (2 sin θ)/(cos θ – sin θ)?

A) 3√2	B) 3/√2
C) 1/√2	D) √2

Quantitative Aptitude - Arithmetic Ability Questions

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