Quantitative Aptitude - Arithmetic Ability Questions

Q:

How many of the factors of 256 are perfect squares?

A) 6 B) 4
C) 3 D) 5
 
Answer & Explanation Answer: D) 5

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Filed Under: Square Roots and Cube Roots
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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:

If 60/75 is equivalent to 4/x, then the value of x is

A) 5 B) 4
C) 15 D) 18
 
Answer & Explanation Answer: C) 15

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Q:

The diagonals of 2 squares M and N are in the ratio 2:1. The ratio of their areas is

A) 1:2 B) 2:1
C) 1:4 D) 4:1
 
Answer & Explanation Answer: D) 4:1

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Filed Under: Area
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Q:

Two tangents PA and PB are drawn to a circle of centre O in such a way that angle AOB = 120 deg. Calculate the value of angle APB.

A) 40 deg B) 50 deg
C) 60 deg D) 80 deg
 
Answer & Explanation Answer: C) 60 deg

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Filed Under: Volume and Surface Area
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Q:

Which of the following is the prime number series from 1 to 20?

A) 1, 2, 3, 5, 7, 11, 13, 17, 19 B) 3, 5, 7, 11, 13,17, 19
C) 2, 5, 7, 9, 11, 13, 17, 19 D) 2, 3, 5, 7,11, 13, 17, 19
 
Answer & Explanation Answer: D) 2, 3, 5, 7,11, 13, 17, 19

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Filed Under: Problems on Numbers
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Q:

A shop keeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of cost price to the printed price of the book is

A) 45:56 B) 50:61
C) 99:125 D) None of these
 
Answer & Explanation Answer: A) 45:56

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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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Filed Under: Volume and Surface Area
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