6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

$\tan^{2} {Asin}^{2} A$ is equal to

A) tan2A - sin2A	B) tan2A + sin2A
C) cot2A - sin2A	D) cot2A + sin2A

Answer & Explanation Answer: A) tan2A - sin2A

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Q:

Reflection of the point (4,-5) in the y-axis is

A) (4,5)	B) (-4,-5)
C) (4,-5)	D) (-4,5)

Answer & Explanation Answer: B) (-4,-5)

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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:

The line passing through (3,4) and (0,3) is perpendicular to the line passing through (5,7) and (4,x). What is the value of x?

A) 4	B) -2
C) 2	D) -4

Answer & Explanation Answer: A) 4

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Q:

If secA + tanA = x, then find the value of x.

A) √[(1 - sinA)/(1 + sinA)]	B) (1 + sinA)/(1 - sinA)
C) (1 - sinA)/(1 + sinA)	D) √[(1 + sinA)/(1 - sinA)]

Answer & Explanation Answer: D) √[(1 + sinA)/(1 - sinA)]

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Q:

If cot 60° + cosec 60° = x, then the value of x is

A) (1-2√2)/√2	B) (√3-4)/2√3
C) 1	D) √3

Answer & Explanation Answer: D) √3

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Q:

What is the equation of the line whose y-intercept is 3/4 and making an angle of 45° with the positive x-axis?

A) 4x - 4y = 3	B) 4x - 4y = -3
C) 3x - 3y = 4	D) 3x - 3y = -4

Answer & Explanation Answer: A) 4x - 4y = 3

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Q:

In the following question, select the odd number group from the given alternatives.

A) (143, 64)	B) (232, 49)
C) (719, 289)	D) (462, 169)

Quantitative Aptitude - Arithmetic Ability Questions

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