Aptitude and Reasoning Questions

Q:

What is the value of (cot60 + 1/√3) ?

A) 4/√3 B) (2√2+√3)/2
C) 2/√3 D) (2√2+1)/√2
 
Answer & Explanation Answer: C) 2/√3

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Q:

ΔPQR is right angled at Q. If tanP = 24/7, then what is the value of cosR ?

A) 25/7 B) 24/25
C) 24/7 D) 7/24
 
Answer & Explanation Answer: B) 24/25

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Q:

What will be the value of r2+p2+s2-rp-ps-rs when r = 4, p = 2, s = 8?

A) 8 B) 18
C) 28 D) 38
 
Answer & Explanation Answer: C) 28

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Q:

What is the value of cos 4π/3?

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

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Q:

If 4(x + 1) - 3 < 3 - x < 2x + 5; then the value of x is

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

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Q:

Which of the following is correct?

A) (3x -­ 2y)2 = 9x2 -­ 12xy + 4y2 B) (3x -­ 2y)2 = 9x2 -­ 6xy + 4y2
C) (3x + 2y)2 = 9x2 -­ 12xy + 4y2 D) (3x + 2y)2 = 9x2 -­ 6xy + 4y2
 
Answer & Explanation Answer: A) (3x -­ 2y)2 = 9x2 -­ 12xy + 4y2

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Q:

Select the odd word from the given alternatives.

A) sister B) nephew
C) daughter D) aunt
 
Answer & Explanation Answer: B) nephew

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Q:

If x1x2x3 = 4(4 + x1 + x2 + x3 ), then what is the value of [1/(2 + x1  )] + [1/(2 + x2 )] + [1/(2 + x3 )]?

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

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