6500+ Quantitative Aptitude Questions and Answers With Explanation

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:

If 14.35 - (1.956 - x ) - 83.92 = 3.858 then what is the value of x?

A) -92.456	B) 75.384
C) 71.472	D) 104.084

Answer & Explanation Answer: B) 75.384

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Q:

$If a - b = 6 and ab = 16, then a^{3} - b^{3} is$

A) 504	B) 702
C) 728	D) 511

Answer & Explanation Answer: A) 504

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Q:

What is the value of $2 \sec^{2} A$ ?

A) secA/(cosecA - 1) + secA/(cosecA +1)	B) cosecA/(secA -1) + cosecA/(secA +1)
C) cosecA/(cosecA - 1) + cosecA/(cosecA +1)	D) secA/(secA - 1) + secA/(secA +1)

Answer & Explanation Answer: C) cosecA/(cosecA - 1) + cosecA/(cosecA +1)

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Q:

$\tan^{3} A is equal to$

A) 3tanA - tan3A(1 - 3tan2A)	B) 3tanA + tan3A(1 - 3tan2A)
C) 3tanA - tan3A(1 + 3tan2A)	D) 3tanA + tan3A(1 + 3tan2A)

Answer & Explanation Answer: A) 3tanA - tan3A(1 - 3tan2A)

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Q:

The figure shown below consists of the tangents at the extremeties of any chord. Choose the correct option given below.

A) ∡PAC = ∡PBC	B) ∡APC = ∡BPC
C) ∆PAC ≅ ∆PBC	D) All options are correct

Answer & Explanation Answer: D) All options are correct

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Q:

Divide 32 into two parts such that the sum of the square of the parts is 674. What is the value of the parts?

A) 22, 10	B) 30, 2
C) 25, 7	D) 20, 12

Answer & Explanation Answer: C) 25, 7

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Q:

Pipe A can fill an empty cistern in 4 hours while along with Pipe B it can fill it up in 3 hours. Only Pipe A is turned on for an hour after which Pipe B is also turned on. How much total time will it take to fill up the cistern?

A) 3 hrs 20 min	B) 3 hrs 25 min
C) 3 hrs 15 min	D) 3 hrs

Quantitative Aptitude - Arithmetic Ability Questions

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