6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

For triangle PQR, find equation of altitude PS if co-ordinates of P, Q and R are (6,2), (0,3) and (-4,5) respectively?

A) 2x - y = 14	B) 2x + y = 10
C) 2x - y = 10	D) 2x + y = 14

Answer & Explanation Answer: C) 2x - y = 10

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Q:

Find the value of 'a' for which $x + \sqrt{3 x} + \frac{a^{2}}{4}$ is a perfect square.

A) √3	B) 2√3
C) 3√3	D) 4√3

Answer & Explanation Answer: A) √3

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Q:

If cost price of 5 cars is equal to selling price of 4 cars. Find the percentage of profit or loss?

A) 10% Profit	B) 10% Loss
C) 25% Profit	D) 25% Loss

Answer & Explanation Answer: C) 25% Profit

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Filed Under: Profit and Loss
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Q:

If the volume of a cylinder is 3850 cubic cm and height is 25 cm, what is its radius? (Take π = 22/7)

A) 7 cms	B) 14 cms
C) 10 cms	D) 3.5 cms

Answer & Explanation Answer: A) 7 cms

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

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Q:

5% more is gained by selling a watch for Rs. 350 than by selling it for Rs. 340. The cost price of the watch is

A) Rs. 110	B) Rs. 140
C) Rs. 200	D) Rs. 250

Answer & Explanation Answer: C) Rs. 200

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

Find the value of $\frac{5 \sqrt{3}}{2} + \sqrt{108}$

A) 732	B) 1732
C) 2732	D) 3732

Answer & Explanation Answer: B) 1732

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Q:

The circumference of a circle is 110 cm. Find its radius (in cm).

A) 35	B) 19.5
C) 17.5	D) 39

Answer & Explanation Answer: C) 17.5

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Filed Under: Area
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Q:

The sum of 2xy(3x + 4y - 5z) and 5yz(2x - 3y) is

A) 6x2y - 8xy2 + 15y2z	B) 6x2y + 8xy2 - 15y2z
C) 6x2y + 8xy2 - 15y2z - 20xyz	D) 6x2y - 8xy2 + 15y2z + 20xyz

Quantitative Aptitude - Arithmetic Ability Questions

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