6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If Giridhar's salary is 5/3 times of Hariraj's and Shaunak's is 2/3 times of Hariraj's, what is the ratio of Giridhar's salary to Shaunak's.

A) 9:10	B) 10:9
C) 5:2	D) 2:5

Answer & Explanation Answer: C) 5:2

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Filed Under: Percentage
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Q:

The length of the diagonal of a square is 12 cm. Find its area (in cm2).

A) 36	B) 72
C) 144	D) 48

Answer & Explanation Answer: B) 72

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Q:

Kamal has some apples. He sold 40% more than he ate. If he sold 70 apples, how many did he eat?

A) 18	B) 42
C) 50	D) 90

Answer & Explanation Answer: C) 50

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Q:

Reduce 3596 / 4292 to lowest terms.

A) 29/37	B) 17/43
C) 31/37	D) 19/23

Answer & Explanation Answer: C) 31/37

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Q:

A spherical lead ball of radius 6 cm is melted and small lead balls of radius 3 mm are made. The total number of possible small lead balls is

A) 4250	B) 4000
C) 8005	D) 8000

Answer & Explanation Answer: D) 8000

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Q:

First four multiples of 9?

Answer

A multiple of a number is the number multiplied by an integer.

The first four multiples of 9 are given by multiying the first 4 integers with number 9.

That is,

9 x 1 = 9

9 x 2 = 18

9 x 3 = 27

9 x 4 = 36

Hence, first four multiples of 9 are 9, 18, 27, 36.

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Subject: Numbers Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

A person lent Rs 10000 to B for 3 years and Rs 6000 to C for 4 years on simple interest at same rate of interest and received Rs 5400 in all from both of
them as interest. What is the rate of interest (in %)?

A) 10	B) 12
C) 20	D) 25

Answer & Explanation Answer: A) 10

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Filed Under: Simple Interest
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Q:

If x + (1/x) = (√3 + 1)/2, then what is the value of $x^{4} + (1 / x^{4})$ ?

A) (4√3 – 1)/4	B) (4√3 + 1)/2
C) (–4√3 – 1)/4	D) (–4√3 – 1)/2

Quantitative Aptitude - Arithmetic Ability Questions

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