6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Expand and simplify ${(2 x + 5)}^{2} * (4 x - 1) - (3 x^{3} - 16 x^{2} + 25 x - 21)$

A) 13x3 + 92x2 - 55x + 4	B) 13x3 - 92x2 - 55x - 4
C) 13x3 + 92x2 + 55x - 4	D) 13x3 - 92x2 + 55x + 4

Answer & Explanation Answer: C) 13x3 + 92x2 + 55x - 4

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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Q:

The sum of the ages of Ram and Shyam is 49. The difference between the age of Shyam and twice the age of Ram is 8. What is the age (in years) of Ram?

A) 30	B) 20
C) 19	D) 29

Answer & Explanation Answer: C) 19

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

What is the value of cot 5π/3?

A) 1/√3	B) -1/√3
C) √3	D) -√3

Answer & Explanation Answer: B) -1/√3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The value of $(\frac{1}{(p - n) (n - q)} + \frac{1}{(n - q) (q - p)} + \frac{1}{(q - p) (p - n)}) i s$

A) 1	B) 0
C) p+q+n	D) 2np+q

Answer & Explanation Answer: B) 0

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Filed Under: Simplification

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Q:

A person scores 45% of the total marks in the exam and still fails by 40 marks. The passing percentage of the exam is 55%. What is the maximum marks of the exam?

A) 300	B) 400
C) 350	D) 550

Answer & Explanation Answer: B) 400

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

$2 \sec^{2} A$ is equal to

A) (1 - tanA)2 - (1 + tanA)2	B) √[(1 - tanA)2 + (1 + tanA)2 ]
C) √[(1 - tanA)2 - (1 + tanA)2]	D) (1 - tanA)2 + (1 + tanA)2

Answer & Explanation Answer: D) (1 - tanA)2 + (1 + tanA)2

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Filed Under: Simplification
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Q:

A person crosses a 900 metres wide road in 120 seconds. What is his speed (in km/hr)?

A) 24	B) 21
C) 36	D) 27

Answer & Explanation Answer: B) 21

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Filed Under: Time and Distance
Exam Prep: Bank Exams , CAT

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Q:

A person invested a total sum of Rs 7900 in three different schemes of simple interest at 3%, 5% and 8% per annum. At the end of one year he got same interest in all three schemes. What is the money (in Rs) invested at 3%?

A) 2900	B) 3500
C) 4000	D) 5600

Quantitative Aptitude - Arithmetic Ability Questions

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