6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Determine the value of a/b + b/a when a + b = 8 and ab = 4.

A) 4	B) 8
C) 12	D) 14

Answer & Explanation Answer: D) 14

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Q:

Find the perimeter (in cm) of a semicircle of radius 14 cm.

A) 144	B) 46
C) 72	D) 92

Answer & Explanation Answer: C) 72

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Q:

Which of the following numbers is not composite?

A) 209	B) 203
C) 161	D) 109

Answer & Explanation Answer: D) 109

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Q:

The angles of depression of two ships from the top of a light house are 60° and 45° towards east. If the ships are 300 m apart, the height of the light house is

A) 200(3+√3) meter	B) 250(3+√3) meter
C) 150(3+√3) meter	D) 160(3+√3) meter

Answer & Explanation Answer: C) 150(3+√3) meter

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Q:

The amount of extension in a spring is proportional to the weight hung on it. If the weight of 5 kgs produces an extension of 0.4 cm, what weight would produce an extension of 5cm?

A) 6.25kgs	B) 62.5kgs
C) 4kgs	D) 40kgs

Answer & Explanation Answer: B) 62.5kgs

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Q:

If $tanθ = \frac{7}{24}$ then find the value of p such that $\frac{tanθ - secθ}{sinθ} = \frac{- p}{28}$

A) 25	B) 75
C) 50	D) 100

Answer & Explanation Answer: B) 75

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Q:

In an isosceles trapezium _____.

A) Diagonals are congruent	B) Opposite sides are parallel
C) Diagonals are bisectors of each other	D) Diagonals bisect opposite angles

Answer & Explanation Answer: A) Diagonals are congruent

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Q:

What is the equation of the line if its slope is 4/3 and it passes through the point (-7 , 2)?

A) 4x - 3y = -22	B) 4x + 3y = -34
C) 4x + 3y = -22	D) 4x - 3y = -34

Quantitative Aptitude - Arithmetic Ability Questions

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