6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If cot -4π/3 = x, then the value of x is

A) -1	B) -1/√3
C) √3	D) 1

Answer & Explanation Answer: B) -1/√3

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Q:

Select the odd letters from the given alternatives.

A) XVT	B) NPR
C) LJH	D) FDB

Answer & Explanation Answer: B) NPR

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Filed Under: Odd Man Out
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Q:

Four pairs of words are given. Find the odd one out.

A) Rhombus : Four-sided polygon	B) Nonagon : Seven-sided polygon
C) Octagon : Eight-sided polygon	D) Hexagon : Six-sided polygon

Answer & Explanation Answer: B) Nonagon : Seven-sided polygon

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Q:

What is the third proportional to 9 and 15?

A) 30	B) 27
C) 36	D) 25

Answer & Explanation Answer: D) 25

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Filed Under: Ratios and Proportions
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Q:

The point at which the perpendicular bisectors of the sides of a triangle intersect is known as _____________________

A) circum-centre	B) orthocenter
C) centroid	D) in-center

Answer & Explanation Answer: A) circum-centre

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Filed Under: Area
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Q:

Find the value of $\frac{5 \sqrt{3}}{2} + \sqrt{108}$

A) 732	B) 1732
C) 2732	D) 3732

Answer & Explanation Answer: B) 1732

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Q:

If $x + \frac{1}{x} = \sqrt{3}, then x^{18} + x^{12} + x^{6} + 1$ value is

A) 0	B) 1
C) 2	D) 3

Answer & Explanation Answer: A) 0

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Q:

The sum of 2xy(3x + 4y - 5z) and 5yz(2x - 3y) is

A) 6x2y - 8xy2 + 15y2z	B) 6x2y + 8xy2 - 15y2z
C) 6x2y + 8xy2 - 15y2z - 20xyz	D) 6x2y - 8xy2 + 15y2z + 20xyz

Quantitative Aptitude - Arithmetic Ability Questions

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