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Q:

If ${(x + \frac{1}{x})}^{2} = 3$ , then the value of $x^{3} + \frac{1}{x^{3}}$ is:

A) 0	B) 1
C) 2	D) -1

Answer & Explanation Answer: A) 0

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

If $\frac{2 p}{p^{2} - 2 p + 1} = \frac{1}{4}$ , then the value of (p + 1/p) will be

A) 8	B) 10
C) 12	D) None of these

Answer & Explanation Answer: B) 10

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

Improve the bracketed part of the sentence.

We (has finished) our lunch half an hour ago.

A) finished	B) will have finished
C) had finished	D) No improvement

Answer & Explanation Answer: A) finished

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Filed Under: English

Q:

Improve the bracketed part of the sentence.

I had (not only helped her by) giving hints but also with providing him links.

A) helped not only to her by.	B) helped her not only by
C) not only helped her	D) No improvement

Answer & Explanation Answer: B) helped her not only by

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Filed Under: English

Q:

If + means division, means multiplication, '÷' means subtraction, x means addition, and < means less than, then which of the following is false?

A) (10+2)÷7 < (10÷7)+2	B) (107)x2 < (10x2)7
C) (10X7)2 < (102)x7	D) (10÷2)+7 < (10+7)x2

Answer & Explanation Answer: C) (10X7)2 < (102)x7

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Filed Under: Verbal Reasoning - Mental Ability

Q:

What is the value of $\frac{\sqrt{36} + \sqrt[3]{729}}{\sqrt{81} + \sqrt[3]{64}}$

A) 5/12	B) 5/9
C) 4/9	D) 4/15

Answer & Explanation Answer: A) 5/12

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Filed Under: Simplification

Q:

$If {(x - \frac{1}{3})}^{2} + {(y - 4)}^{2} = 0, then the value of \frac{y + x}{y - x} ?$

A) 11/13	B) 13/11
C) 16/9	D) 9/16

Answer & Explanation Answer: B) 13/11

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

A train of length 100 m crosses another train of length 150 m, running on a parallel track in the opposite direction in 9 seconds. If the speed of trainhaving length 150 m is 40 km/hr, then what is the speed (in km/hr) of the other train?

A) 30	B) 48
C) 50	D) 60

Answer & Explanation Answer: D) 60

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Filed Under: Problems on Trains
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