Quantitative Aptitude - Arithmetic Ability Questions

Q:

Find the value of 1006×994?

A) 999932   B) 999964
C) 1000032 D) 1000064
 
Answer & Explanation Answer: B) 999964

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Q:

What is the reflection of the point (-1 , 3) in the line x = -4?

A) (-7 ,-3) B) (-7 ,3)
C) (7 ,-3) D) (7 ,3)
 
Answer & Explanation Answer: B) (-7 ,3)

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Q:

The mean of a distribution is 21 and the standard deviation is 7. What is the value of the coefficient variation?

 

A) 16.66% B) 66.66%
C) 33.33% D) 100%
 
Answer & Explanation Answer: C) 33.33%

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Q:

ABC is an equilateral triangle of side 6 cm. If a circle of radius 1 cm is moving inside and along the sides of the triangle, then the locus of the centre of the circle is an equilateral triangle of side is

A) 5 cm B) (6 - 2√3) cm
C) 4 cm D) (3 + √3) cm
 
Answer & Explanation Answer: B) (6 - 2√3) cm

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Filed Under: Area
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Q:

What is the difference between the total sale of English newspapers and the total sale of Hindi newspapers in all the localities together.

A) 7500 B) 5600
C) 6500 D) 5700
 
Answer & Explanation Answer: C) 6500

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Q:

If (a+1a)2=3, then the value of a6-1a6 will be

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

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Q:

How many 3 ­digit numbers are completely divided by 4.

A) 225 B) 224
C) 223 D) 222
 
Answer & Explanation Answer: A) 225

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Filed Under: Problems on Numbers
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Q:

Which of the following numbers is not composite?

A) 209 B) 203
C) 161 D) 109
 
Answer & Explanation Answer: D) 109

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Filed Under: Problems on Numbers
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