Quantitative Aptitude - Arithmetic Ability Questions

Q:

If the edge of a cube is increased by 2 cm, the volume will increase by 488 cub.cm. What then will be the length of each edge of the cube?

A) 6 cm B) 8 cm
C) 9 cm D) 7 cm
 
Answer & Explanation Answer: B) 8 cm

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Q:

If the curved surface area of a right circular cone is 10010 sq cm and its slant height is 91 cm, find its total surface area.

A) 27720 sq cm B) 4620 sq cm
C) 6930 sq cm D) 13860 sq cm
 
Answer & Explanation Answer: D) 13860 sq cm

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Q:

The square root of 6084 is

A) 82 B) 78
C) 74 D) 76
 
Answer & Explanation Answer: B) 78

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Filed Under: Simplification
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Q:

The square root of 4096 is

A) 56 B) 68
C) 74 D) 64
 
Answer & Explanation Answer: D) 64

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Q:

By what least number should 1200 be multiplied so that it becomes a perfect square?

A) 2 B) 3
C) 4 D) 5
 
Answer & Explanation Answer: B) 3

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Q:

Find the volume (in cm3) of a right circular cylinder of diameter 42 cm and height 14 cm.

A) 19404 B) 18018
C) 17321 D) 16729
 
Answer & Explanation Answer: A) 19404

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Q:

The point of the intersection of three medians is known as the ____________.

A) circum-centre B) in-center
C) centroid D) orthocenter
 
Answer & Explanation Answer: C) centroid

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Q:

The total surface area of a cube is 181.5 cm². Find its side (in cm).

A) 6.5 B) 4.5
C) 7.5 D) 5.5
 
Answer & Explanation Answer: D) 5.5

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