Quantitative Aptitude - Arithmetic Ability Questions

Q:

Expand and simplify (x + 4)2 + (x -­ 2)2

A) 2(x2 + 2x + 10) B) 2(x2 + 2x -­ 10)
C) 2(x2 -­ 2x + 10) D) 2(x2 -­ 2x ­- 10)
 
Answer & Explanation Answer: A) 2(x2 + 2x + 10)

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Filed Under: Simplification
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Q:

If secA/√(sec2A ­- 1) = x, then value of x is

A) tanA B) cosecA
C) sinA D) cosA
 
Answer & Explanation Answer: B) cosecA

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Q:

What number should be added to each of the numbers 55, 100, 65 and 116, so that the resulting numbers are in continued proportion?

A) 20 B) 10
C) 5 D) 15
 
Answer & Explanation Answer: A) 20

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Filed Under: Ratios and Proportions
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Q:

Find the Greatest Common Factor of 280 and 144.

A) 2 B) 8
C) 6 D) 4
 
Answer & Explanation Answer: B) 8

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Filed Under: HCF and LCM
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Q:

What is the area (in sq cm) of a regular hexagon of side 9 cm?

A) 50√3 B) 300√3
C) 243√3/2 D) 200√3
 
Answer & Explanation Answer: C) 243√3/2

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Q:

What is 15% of 34 ?

A) 5.1 B) 5
C) 5.2 D) 4.9
 
Answer & Explanation Answer: A) 5.1

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Filed Under: Percentage
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Q:

If (x ­- 2) (x -­ p) = x2 - ax + 6, then the value of (a -­ p) is

A) 0 B) 1
C) 2 D) 3
 
Answer & Explanation Answer: C) 2

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Q:

What is the length of the side of an equilateral triangle, if its area is 36√3 sq cm?

A) 6 cm B) 24 cm
C) 12 cm D) 18 cm
 
Answer & Explanation Answer: C) 12 cm

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Filed Under: Area
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