6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the value of (cosec30 - 1/√3)?

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

Answer & Explanation Answer: A) (2√3-1)/√3

Explanation:

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Q:

What is the value of (cosecA - cotA) / (secA + tanA)?

A) (secA + tanA)/(cosecA - cotA)	B) √[(secA - tanA)/(cosecA + cotA)]
C) (secA - tanA)/(cosecA + cotA)	D) √[(secA + tanA)/(cosecA - cotA)]

Answer & Explanation Answer: C) (secA - tanA)/(cosecA + cotA)

Explanation:

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Q:

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

A) Kuchipudi	B) Kathak
C) Bhangra	D) Pongal

Answer & Explanation Answer: D) Pongal

Explanation:

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Q:

If $x (3 - \frac{2}{x}) = \frac{3}{x}$ , then the value of $x^{2} + \frac{1}{x^{2}}$ will be

A) 3 1/9	B) 3 2/9
C) 2 1/9	D) 2 4/9

Answer & Explanation Answer: D) 2 4/9

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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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Q:

Smaller diagonal of a rhombus is equal to length of its sides. If length of each side is 4 cm, then what is the area (in cm2) of an equilateral triangle with side equal to the bigger diagonal of the rhombus?

A) 6	B) 9√3
C) 12	D) 12√3

Answer & Explanation Answer: D) 12√3

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Q:

In the given questions, two equations numbered I and II are given. Solve both the equation and mark the appropriate answer.

$I . x^{2} - 5 x - 24 = 0 II . 2 y^{2} + 19 y + 35 = 0$

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

Answer & Explanation Answer:

Explanation:

x^2–5x –24 = 0

(x-8) (x+3)

x = 8, -3

II. 2y^2+ 19y + 35 = 0

(2y+7) (y+7)y= -7, -5/2

So can’t be determined

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Q:

54% of 4000 is

A) 2025	B) 2172
C) 2232	D) 2160

Quantitative Aptitude - Arithmetic Ability Questions

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