6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the area of this trapezoidal garden? (All measurements are in cm)

A) 60 sq.cm	B) 180 sq.cm
C) 210 sq.cm	D) 240 sq.cm

Answer & Explanation Answer: D) 240 sq.cm

Explanation:

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Filed Under: Area
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22 67031

Q:

The ratio of the cost price and selling price of a shirt is 32 : 37. What is the profit percentage?

A) 15.63	B) 13.51
C) 17.21	D) 14.44

Answer & Explanation Answer: A) 15.63

Explanation:

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Filed Under: Profit and Loss
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12 67028

Q:

${(4 x - 7)}^{2} = ?$

A) 4x2 - 56x + 49	B) 4x2 - 14x + 49
C) 16x2 + 14x + 49	D) 16x2 - 56x + 49

Answer & Explanation Answer: D) 16x2 - 56x + 49

Explanation:

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Filed Under: Simplification
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2 66705

Q:

(5x- 3)(x + 4) - (2x + 5)(3x - 4) = ?

A) -x2+10x-8	B) -x2+10x+8
C) x2+10x-8	D) x2+10x+8

Answer & Explanation Answer: B) -x2+10x+8

Explanation:

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3 66607

Q:

Calculate the area (in sq.cm) of a circle whose diameter is 14 cm.

A) 154	B) 308
C) 224	D) 448

Answer & Explanation Answer: A) 154

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Q:

If $a^{2} = 12, t h e n a^{4} = ?$

A) 144	B) 72
C) 36	D) 24

Answer & Explanation Answer: A) 144

Explanation:

Given a x a = 12

asked to find a x a x a x a = (a x a) x (a x a)

a⁴ = a² x a²

= 12 x 12

= 144.

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7 66360

Q:

Consider the figure shown below and choose the correct option for the length of MN.

A) d2-r1-r22	B) d2+r1-r22
C) d2-r1-r22	D) d+r1-r22

Answer & Explanation Answer: A) d2-r1-r22

Explanation:

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0 66327

Q:

$If \sqrt{3} = 1.732, then what is the value of (\sqrt{3} - \frac{10}{\sqrt{3}} + \sqrt{27}) ?$

A) 1.154	B) 1.577
C) 1.464	D) 2.358

Quantitative Aptitude - Arithmetic Ability Questions

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