6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the equation of the line whose y-intercept is 3/4 and making an angle of 45° with the positive x-axis?

A) 4x - 4y = 3	B) 4x - 4y = -3
C) 3x - 3y = 4	D) 3x - 3y = -4

Answer & Explanation Answer: A) 4x - 4y = 3

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Q:

If x + y = 3, then what is the value of $x^{3} + y^{3} + 9 xy$ ?

A) 15	B) 81
C) 27	D) 9

Answer & Explanation Answer: C) 27

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Q:

$A = (x^{8} - 1) / (x^{4} + 1) and B = (y^{4} - 1) / (y^{2} + 1) .$ If x = 2 and y = 9, then what is the value of $A^{2} + 2 AB + {AB}^{2} ?$

A) 96475	B) 98625
C) 92425	D) 89125

Answer & Explanation Answer: B) 98625

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Q:

What is the value of ${(4a}^{2} + 8 b + 14 c + 2) / 2$ ?

A) 2a2 + 4b + 7c + 1	B) a2 + 4b + 7c + 1
C) 2a2 + 4b + 7c + 2	D) a2 + 4b + 7c + 2

Answer & Explanation Answer: A) 2a2 + 4b + 7c + 1

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Q:

$If a - b = 6 and ab = 16, then a^{3} - b^{3} is$

A) 504	B) 702
C) 728	D) 511

Answer & Explanation Answer: A) 504

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Q:

What is the value of $2 \sec^{2} A$ ?

A) secA/(cosecA - 1) + secA/(cosecA +1)	B) cosecA/(secA -1) + cosecA/(secA +1)
C) cosecA/(cosecA - 1) + cosecA/(cosecA +1)	D) secA/(secA - 1) + secA/(secA +1)

Answer & Explanation Answer: C) cosecA/(cosecA - 1) + cosecA/(cosecA +1)

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Q:

In ΔABC measure of angle B is 90 deg. If cosA = 5/13, and AB = 10 cm, then what is the length (in cm) of side BC?

A) 26	B) 24
C) 25	D) 5

Answer & Explanation Answer: B) 24

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Q:

Find out the odd word/letters/number/number pair from the given alternatives.

A) Fish	B) Turtle
C) Crocodile	D) Frog

Quantitative Aptitude - Arithmetic Ability Questions

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