6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

In an examination, 52% candidates failed in English and 42% failed in Mathematics. If 17% failed in both the subjects, then what percent passed in both the subjects?

A) 77	B) 58
C) 48	D) 23

Answer & Explanation Answer: D) 23

Explanation:

No of students failed in English only = 52 –17 = 35

No of students failed in maths only = 42 –17 = 25

Total no of failed students in either of the subjects = 35+17+25 = 77

No of passed student in both subjects = 100 –77 = 23

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Q:

Two equal circles intersect so that their centres, and the points at which they intersect form a square of side 1 cm. The area (in sq.cm) of the portion that is common to the circles is

A) π4	B) π2-1
C) π5	D) √2 - 1

Answer & Explanation Answer: B) π2-1

Explanation:

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Filed Under: Area
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Q:

If 7x - [3(2x - 3)]/2 = 1/2, then what is the value of x?

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

Answer & Explanation Answer: A) -1

Explanation:

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Q:

What is the reflection of the point (4 , -3) in the line y = 1?

A) (4, -5)	B) (4, 5)
C) (-4, -5)	D) (-4, 5)

Answer & Explanation Answer: B) (4, 5)

Explanation:

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Q:

Common factor of $12 a^{4} b^{6}, 18 a^{6} c^{2}, 36 a^{2} b^{2}$ is

A) 36a2	B) 108b2
C) 6a2b2	D) 6a2

Answer & Explanation Answer: D) 6a2

Explanation:

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Q:

The co-ordinates of the centroid of a triangle ABC are (3,-2). What are the co-ordinates of vertex C if co-ordinates of A and B are (-2,5) and (6,-2) respectively?

A) (-5,-9)	B) (5,-9)
C) (5,9)	D) (-5,9)

Answer & Explanation Answer: B) (5,-9)

Explanation:

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Q:

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

A) Aizwal	B) Agartala
C) Shillong	D) Darjeeling

Answer & Explanation Answer: D) Darjeeling

Explanation:

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Filed Under: Odd Man Out
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Q:

Find the odd word / letter / number from the given alternative

A) 36 - 48	B) 56 - 44
C) 78 - 66	D) 33 - 64

Quantitative Aptitude - Arithmetic Ability Questions

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