6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If xy (x + y) = m, then the value of $x^{3} + y^{3} + 3 m$ is:

A) m3xy	B) m3x+y3
C) m3x3y3	D) mx3y3

Answer & Explanation Answer: D) mx3y3

Explanation:

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0 1941

Q:

If Sec θ = 5/3, then what is the value of Cosec θ?

A) 0.8	B) 1.25
C) 4/3	D) 3/4

Answer & Explanation Answer: B) 1.25

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0 1940

Q:

If 10x/3 + 5/2(2 - x/3) = 7/2, then the value of x is?

A) 3/5	B) -5/3
C) 5/3	D) -3/5

Answer & Explanation Answer: D) -3/5

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0 1940

Q:

If $a + \frac{1}{b} = b + \frac{1}{c} = c + \frac{1}{a}$ (a , b, c are not equal) then the value of abc =

A) + 1	B) - 1
C) +1 & -1	D) None of the options

Answer & Explanation Answer: C) +1 & -1

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0 1940

Q:

60% of P = 50% of Q and Q = x% of P. What is the value of x?

A) 130	B) 120
C) 140	D) 80

Answer & Explanation Answer: B) 120

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5 1940

Q:

In each question two equations numbered I and II are given,you haveto solve both the equation and choose the correctanswer.

I. x2+ 30x + 81 = 0

II.y2-9y -162 = 0

A) x > y	B) x>y
C) x < y	D) x

Answer & Explanation Answer:

Explanation:

x^2+ 30x + 81 = 0
x^2+ 27x + 3x + 81 = 0
x = -3, -27
y^2-9y -162 = 0
y^2-18y + 9y -162 = 0
y = -9, 18
Hence, no relationship can be established between x and y

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1 1940

Q:

What is the simplified value of [2/(cot A – tan A)]?

A) sin A cos A	B) tan 2A
C) sin2 A	D) cos2 A

Answer & Explanation Answer: B) tan 2A

Explanation:

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0 1940

Q:

If 2secA - (1 + sinA)/cosA = x, then the value of x is

A) cosecA/(1+sinA)	B) cosA/(1+sinA)
C) cosA(1+sinA)	D) cosecA(1+sinA)

Quantitative Aptitude - Arithmetic Ability Questions

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