Quantitative Aptitude - Arithmetic Ability Questions

Q:

If the standard deviation of a population is 6.5, what would be the population variance?

A) 40.25 B) 42.25
C) 18.25 D) 13
 
Answer & Explanation Answer: B) 42.25

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Q:

Find out the odd word/letters/number/number pair from the given alternatives.

A) 82 B) 75
C) 64 D) 31
 
Answer & Explanation Answer: C) 64

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Q:

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

A) 525 B) 745
C) 636 D) 416
 
Answer & Explanation Answer: B) 745

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Q:

If (1 - sinA)/(1 + sinA) = x, then x is

A) (cosecA - cotA)2 B) secA - tanA
C) (secA - tanA)2 D) cosecA - cotA
 
Answer & Explanation Answer: C) (secA - tanA)2

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Q:

The lengths of diagonals of a rhombus are 24cm and 10cm the perimeter of the rhombus (in cm ) is :

A) 52 B) 56
C) 68 D) 72
 
Answer & Explanation Answer: A) 52

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Q:

What is the value of Sin 30- √2 Cos 30

A) (1 - √6)/√2 B) (1 - √6)/2
C) (3 - √6)/2 D) (3 - √6)/√2
 
Answer & Explanation Answer: B) (1 - √6)/2

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Q:

If 3+12=x+3y, then the x+y is 

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

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Q:

Rearrange the jumbled up letters to form a meaningful word and find the odd one out.

A) ROUWBR B) EDN
C) ORFO D) ETNS
 
Answer & Explanation Answer: C) ORFO

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