6500+ Quantitative Aptitude Questions and Answers With Explanation

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:

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A) (8, 23, 15)	B) (17, 52, 33)
C) (12, 35, 23)	D) (15, 44, 29)

Answer & Explanation Answer: B) (17, 52, 33)

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) 3	B) 2
C) 5	D) 1

Answer & Explanation Answer: D) 1

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Q:

Expand and simplify ${(x + 5)}^{2} + {(x - 3)}^{2}$

A) 2(x2 + 2x - 17)	B) 2(x2 - 2x + 17)
C) 2(x2 - 2x - 17)	D) 2(x2 + 2x + 17)

Answer & Explanation Answer: D) 2(x2 + 2x + 17)

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Q:

If tan -5π/3 = x, then the value of x is

A) √3	B) 1
C) -1/2	D) √3/2

Answer & Explanation Answer: A) √3

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Q:

What is the value of $\sqrt[3]{729} \times \sqrt{16} + \sqrt{676} + \sqrt{169}$

A) 75	B) 64
C) 35	D) 60

Answer & Explanation Answer: A) 75

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Q:

ΔPQR is right angled at Q. If m∠R = 45°, then find the value of (tanP - 1/2).

A) (2-√3)/√3	B) (2√3-√6)/2√2
C) 1/2	D) (√6-6)/3√3

Answer & Explanation Answer: C) 1/2

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Q:

A certain principal is invested in a scheme of compound interest. The amount obtained after 1 year is Rs 2400 and the amount obtained after 2 years is Rs 2880. What is the rate of interest (in percentage)?

A) 20	B) 15
C) 25	D) 10

Quantitative Aptitude - Arithmetic Ability Questions

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