6500+ Quantitative Aptitude Questions and Answers With Explanation

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:

$A = (x^{8} - 1) / (x^{4} + 1) and B = (y^{4} - 1) / (y^{2} + 1) .$ 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:

For triangle ABC, find equation of median AD if co-ordinates of points A, B and C are (2,4), (3,0) and (5,2) respectively?

A) 3x - 2y = 14	B) 3x - 2y = 2
C) 3x + 2y = 14	D) 3x + 2y = 2

Answer & Explanation Answer: A) 3x - 2y = 14

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Q:

What is the value of (3/5 + 7/9)?

A) 62/45	B) 31/28
C) 5/7	D) 1/7

Answer & Explanation Answer: A) 62/45

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Q:

If cos -225° = x, then the value of x is

A) 1/2	B) √3/2
C) -2/√3	D) -1/√2

Answer & Explanation Answer: D) -1/√2

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Q:

Simplify (533bxaz)/(41ab)

A) 17xzb	B) 19xz
C) 13xz	D) 31ab

Answer & Explanation Answer: C) 13xz

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Q:

If tan π/3c + cosec π/6c = x, then x is

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

Answer & Explanation Answer: C) √3+2

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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

Quantitative Aptitude - Arithmetic Ability Questions

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