6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the value $\frac{3}{2} (\frac{\cos 39}{\sin 51}) - \sqrt{\sin^{2} 39 + \sin^{2} 51}$

A) 1/2	B) 5/2
C) 0	D) Both 1/2 and 5/2

Answer & Explanation Answer: D) Both 1/2 and 5/2

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Filed Under: Simplification
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Q:

What is the area (in square units) of the figure enclosed by the x-axis, the y-axis and the line x + 2y = 6 ?

A) 3	B) 6
C) 9	D) 12

Answer & Explanation Answer: C) 9

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Q:

There are two numbers such that the first number is half of the second number. If their average is 57, then what is the first number?

A) 19	B) 38
C) 21	D) 29

Answer & Explanation Answer: B) 38

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Filed Under: Problems on Numbers
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Q:

If

\cos^{2} θ - sinθ = 1 / 4

, then what is the value of sin θ?

A) -1	B) 1/2
C) 1	D) 3/2

Answer & Explanation Answer: B) 1/2

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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Q:

At least one diagonal bisects the other in a _____.

A) Trapezium	B) Isosceles trapezium
C) Kite	D) Cyclic quadrilateral

Answer & Explanation Answer: C) Kite

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Filed Under: Volume and Surface Area
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Q:

An equilateral triangle of area 300 cm2 is cut from its three vertices to form a regular hexagon. Area of hexagon is what percent of the area of triangle?

A) 66.66%	B) 33.33%
C) 83.33%	D) 56.41%

Answer & Explanation Answer: A) 66.66%

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Filed Under: Volume and Surface Area
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Q:

If tanA + tanB = X, then the value of X is

A) (tanA - tanB)/(1 + tanAtanB)	B) (tanA + tanB)/(1 - tanAtanB)
C) (tanA + tanB)/(1 + tanAtanB)	D) (tanA - tanB)/(1 - tanAtanB)

Answer & Explanation Answer: B) (tanA + tanB)/(1 - tanAtanB)

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Q:

What is the value of $(2 - 2 z + z^{2}) (2 + 2 z - z^{2}), when z + \frac{2}{z} = 2 ?$

A) 0	B) 2
C) 4	D) 8

Quantitative Aptitude - Arithmetic Ability Questions

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