Quantitative Aptitude - Arithmetic Ability Questions

Q:

The area of the triangle whose vertices are given by (2,4), (-3,-1) and (5,3) is

A) 10 sq.units B) 14 sq.units
C) 20 sq.units D) 7 sq.units
 
Answer & Explanation Answer: A) 10 sq.units

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Q:

If 12x2 - ax + 7 = ax2 + 9x + 3 has only one (repeated) solution, then the positive integral solution of a is

 

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

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Filed Under: Simplification
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Q:

If the standard deviation of a population is 4.5, what would be the population variance?

A) 20.25 B) 20
C) 9 D) 18
 
Answer & Explanation Answer: A) 20.25

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Q:

What are the components of X6 - X4 - X5 - X4 + X2 - 4?

A) (X - 1) B) (X + 2)
C) Both 1 and 2 D) Neither 1 nor 2
 
Answer & Explanation Answer: D) Neither 1 nor 2

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Q:

If the sum of radius and height of a solid cylinder is 20 cm and its total surface area is 880 cm then its volume is

A) 1760 cm3 B) 8800 cm3
C) 2002 cm3 D) 4804 cm3
 
Answer & Explanation Answer: C) 2002 cm3

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Filed Under: Volume and Surface Area
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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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Q:

The volume of a right circular cone, with a base radius the same as its altitude, and the volume of a hemisphere are equal. The ratio of the radii of the cone to the hemisphere is

A) 2 : 1 B) √2 : 1
C) 23 : 1 D) 33 : 23
 
Answer & Explanation Answer: C) 23 : 1

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) CEHJ B) HJMO
C)  RTWY D) PQTV
 
Answer & Explanation Answer: D) PQTV

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Filed Under: Odd Man Out
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