6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If cosA = x, then x is

A) √(1 - cos2A)	B) √(1 + sin2A)
C) √(1 + cos2A)	D) √(1 - sin2A)

Answer & Explanation Answer: D) √(1 - sin2A)

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Exam Prep: Bank Exams

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Q:

Expand and simplify ${(3 x + 2)}^{2} * (4 x - 3) - (2 x^{3} - 9 x^{2} + 12 x - 24)$

A) 34x3 + 30x2 - 32x - 12	B) 34x3 + 30x2 - 32x + 12
C) 34x3 - 30x2 - 32x + 12	D) 34x3 - 30x2 + 32x - 12

Answer & Explanation Answer: B) 34x3 + 30x2 - 32x + 12

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Exam Prep: Bank Exams

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Q:

Veer spends 15% of his monthly income on the house rent and 60% of the rest on household expenditure. If he saves Rs. 2210, what is his monthly income?

A) Rs. 8000	B) Rs. 7000
C) Rs. 7500	D) Rs. 6500

Answer & Explanation Answer: D) Rs. 6500

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Filed Under: Percentage
Exam Prep: Bank Exams , CAT

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Q:

What is the value of sin(11π/6)?

A) 2/√3	B) -2/√3
C) -1/2	D) 1/2

Answer & Explanation Answer: C) -1/2

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Q:

What is the value of $(sinA - 2 \sin^{3} A) / (2 \cos^{3} A - cosA) ?$

A) cotA	B) cosecA
C) secA	D) tanA

Answer & Explanation Answer: D) tanA

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Q:

The point Q(a,b) is first reflected in y-axis to Q1 and Q1 is reflected in xaxis to (-5,3). The coordinates of point Q are

A) (-5,3)	B) (5,-3)
C) (-5,-3)	D) (5,3)

Answer & Explanation Answer: B) (5,-3)

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Q:

What is the Compound interest on Rs. 5000 in 3 years, if the rate of interest is 4% for the first year, 3% for the second year and 2% for the third year?

A) Rs. 435.21	B) Rs. 453.12
C) Rs. 436.12	D) Rs. 463.12

Answer & Explanation Answer: D) Rs. 463.12

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Filed Under: Compound Interest
Exam Prep: CAT , Bank Exams , AIEEE

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Q:

Product of $9 b^{2}, 3 a^{2}$ and 4ab is

A) 108a2b2	B) 108a3b3
C) 108a3b2	D) 108a4b4

Quantitative Aptitude - Arithmetic Ability Questions

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