Quantitative Aptitude - Arithmetic Ability Questions

Q:

The factors of x2 + 8x + 12 are

A) (x+6)(x+2) B) (x-6)(x+2)
C) (x-4)(x-4) D) (x+6)(x-2)
 
Answer & Explanation Answer: A) (x+6)(x+2)

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Filed Under: Simplification
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Q:

The HCF of 36,54 and 108 is

A) 6 B) 9
C) 18 D) 12
 
Answer & Explanation Answer: C) 18

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Filed Under: HCF and LCM
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Q:

The volume of a hemisphere is 19404 cm3. Find its diameter (in cm).

A) 42 B) 21
C) 84 D) 63
 
Answer & Explanation Answer: A) 42

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Filed Under: Volume and Surface Area
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Q:

A circle is inscribed in a square. If the length of the diagonal of the square is 14√2 cm, what is the area (in sq cm) of the circle?

A) 308 B) 462
C) 154 D) 616
 
Answer & Explanation Answer: C) 154

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Filed Under: Volume and Surface Area
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Q:

Find the curved surface area (in cm2) of a hemisphere of diameter 7 cm.

A) 88 B) 55
C) 77 D) 66
 
Answer & Explanation Answer: C) 77

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Filed Under: Volume and Surface Area
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Q:

The diagonal of a square is 10√2 cm, find its perimeter?

A) 160 cm B) 80 cm
C) 20 cm D) 40 cm
 
Answer & Explanation Answer: D) 40 cm

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Q:

Two fractions are such that their product is ­9/10 and sum is ­13/40. What are the two fractions.

A) 2/5, ­9/4 B) 1/5, ­-9/2
C) 4/5, ­-9/8 D) -2/5, ­9/4
 
Answer & Explanation Answer: C) 4/5, ­-9/8

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Filed Under: Problems on Numbers
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Q:

Simplify 11.9983 = ?

A) 1727.136 B) 1331.136
C) 1685.136 D) 1700.136
 
Answer & Explanation Answer: A) 1727.136

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