6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The sum of two positive integers is 80 & difference between them is 20. Then what is difference of squares of those numbers ?

A) 1400	B) 1600
C) 1800	D) 2000

Answer & Explanation Answer: B) 1600

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Q:

If $\frac{a^{2}}{b + c} = \frac{b^{2}}{c + a} = \frac{c^{2}}{a + b} = 1$ then the value of $\frac{2}{1 + a} + \frac{2}{1 + b} + \frac{2}{1 + c}$

A) 0	B) 1
C) 2	D) 3

Answer & Explanation Answer: C) 2

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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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Q:

In what ratio does the point T (3,0) divide the segment joining the points S (4,2) and U (1,4)?

A) 2:1	B) 1:2
C) 2:3	D) 3:2

Answer & Explanation Answer: B) 1:2

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Q:

If 7x + 6y = 5xy and 10x - 4y = 4xy, then value of x and y is

A) 3, 2	B) 2, 3
C) 4, 2	D) 5, 6

Answer & Explanation Answer: C) 4, 2

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Q:

What is the value of the expression $a^{3} - 5 + \frac{28}{16 a}$ , when a = 2?

A) 2	B) 5
C) 7	D) 8

Answer & Explanation Answer: C) 7

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Q:

Sachin lent out Rs 60000 in two parts, first at 4% and the second at 10% interest. The yearly average interest comes out to be 6.4%. What are the amounts (in Rs) that were lent at 4% and 10% respectively?

A) 40000, 20000	B) 48000, 12000
C) 36000, 24000	D) 32000, 28000

Answer & Explanation Answer: C) 36000, 24000

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Filed Under: Simple Interest
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Q:

How many natural numbers are there between 1000 to 2000, which when divided by 341 leaves remainder 5?

A) 3	B) 2
C) 4	D) 1

Quantitative Aptitude - Arithmetic Ability Questions

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