6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If A is equal to 20% of B and B is equal to 25% of C; then what percent of C is equal to A?

A) 10	B) 15
C) 5	D) 20

Answer & Explanation Answer: C) 5

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Out of the 60 students of a class, 29 took Mathematics, 32 took Biology and 8 took none of the two subjects. How many students took both Mathematics and Biology?

A) 8	B) 9
C) 7	D) 6

Answer & Explanation Answer: B) 9

Explanation:

Number of students who took only Mathematics n(m) = 29
Number of students who took only biology n(b) = 32
Total number of students n(t) = 60
Total number of students of both mathematics and biology n(m b) = 60 - 8 = 52
Total number of students who took both = 32 + 29 - 52 = 9

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Exam Prep: AIEEE , Bank Exams , CAT

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Q:

If x + y = 12 and $x^{2} + y^{2} = 94$ , then xy is

A) 25	B) 50
C) 144	D) 238

Answer & Explanation Answer: A) 25

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Q:

In the following question, select the odd letter from the given alternatives.

A) B	B) N
C) P	D) W

Answer & Explanation Answer: D) W

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

If $x = \sqrt{3} + \frac{1}{\sqrt{3}}$ , then the value of $(x - \frac{\sqrt{126}}{\sqrt{42}}) (x - \frac{1}{x - \frac{2 \sqrt{3}}{3}})$ is

A) √3/6	B) 2√3/6
C) 5/6	D) 2/3

Answer & Explanation Answer: C) 5/6

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Q:

If x - y = -9 and xy = -20, then find $x^{2} + y^{2}$ ?

A) 61	B) 41
C) 81	D) 51

Answer & Explanation Answer: B) 41

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Q:

What is the rate of interest if simple interest earned on a certain sum for the 3rd year is Rs 1,750 and compound interest earned for 2 years is Rs 3622.5?

A) 8	B) 9
C) 10	D) 7

Answer & Explanation Answer: D) 7

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

The selling price of an item inclusive of a 10% profit was Rs.440. What would be the percentage loss if the item was sold for Rs. 370?

A) 7.5	B) 8
C) 6.25	D) 8.4

Quantitative Aptitude - Arithmetic Ability Questions

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