Quantitative Aptitude - Arithmetic Ability Questions

Q:

The reciprocal of the sum of the reciprocals of 8/7 and 5/6 is:

A) 83/40 B) 42/83
C) 83/42 D) 40/83
 
Answer & Explanation Answer: D) 40/83

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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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Q:

If x2-2x+1=0, then the value of x4+1x4 is

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

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Filed Under: Simplification
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Q:

In the following question, select the odd word from the given alternatives.

A) Tiger B) Ostrich
C) Lion D) Cheetah
 
Answer & Explanation Answer: B) Ostrich

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Filed Under: Odd Man Out
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Q:

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

A) eno B) iqa
C) ubu D) olr
 
Answer & Explanation Answer: D) olr

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Q:

At 10% discount the selling price of an article is Rs 4500, what is the selling price (in Rs) if the discount is 27.5%?

A) 4000 B) 3625
C) 3500 D) 3125
 
Answer & Explanation Answer: B) 3625

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Filed Under: Percentage
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Q:

What is the reflection of the point (-0.5, 6) in the x-axis?

A) (0.5, -6) B) (-6, -0.5)
C) (6, -0.5) D) (-0.5, -6)
 
Answer & Explanation Answer: D) (-0.5, -6)

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Filed Under: Area
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Q:

Product of 6ab, 3b and 4a is

A) 72a2b2 B) 144ab
C) 72ab D) 144a2b2
 
Answer & Explanation Answer: A) 72a2b2

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