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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

If (1 - cosA)/2 = x, then the value of x is

A) cos^2(A/2) B) √sin(A/2)
C) √cos(A/2) D) sin^2(A/2)
 
Answer & Explanation Answer: D) sin^2(A/2)

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

What is the simplified value of sec4θ – sec2θ tan2θ?

A) cosec2θ B) Cot2θ
C) sec2 θ D) secθ tan θ
 
Answer & Explanation Answer: C) sec2 θ

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Filed Under: Simplification
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Q:

If aq-r+br-p-cp-q, then find the value of (pa + qp + rc) is

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

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Q:

If 1aa2+1 = 3, then the value of a6+1a3 is

A) 9 B) 18
C) 27 D) 1
 
Answer & Explanation Answer: B) 18

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Q:

If the three numbers in the ratio 3:2:5 be such that the sum of the squares is equal to 1862 then which number is the middle one.

A) 16 B) 14
C) 13 D) 15
 
Answer & Explanation Answer: B) 14

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Filed Under: Ratios and Proportions
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Q:

Arrange them in ascending order 64, 33 and 43

A) 33 < 64 > 43 B) 33 > 64 > 43
C) 33 > 43 > 64 D) 33 < 64 < 43
 
Answer & Explanation Answer: D) 33 < 64 < 43

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Q:

The mode of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is

A) 0 B) 4
C) -2 D) 7
 
Answer & Explanation Answer: B) 4

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Q:

Select the odd number from the given alternatives.

A) 169 B) 421
C) 529 D) 289
 
Answer & Explanation Answer: B) 421

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Filed Under: Odd Man Out
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