6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Two labourers A and B are paid a total of Rs. 1120 per day. If A is paid 180 percent of what is paid to B, how much (in Rs) is B paid?

A) 400	B) 720
C) 500	D) 620

Answer & Explanation Answer: A) 400

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Q:

What is the compound interest (in Rs) for 1 year on a sum of Rs 20000 at the rate of 40% per annum compounding half yearly?

A) 8000	B) 8650
C) 8750	D) 8800

Answer & Explanation Answer: D) 8800

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Q:

Two points P and Q are at the distance of x and y (where y > x) respectively from the base of a building and on a straight line. If the angles of elevation of the top of the building from points P and Q are complementary, then what is the height of the building?

A) xy	B) √( y/ x)
C) √( x/ y)	D) √( xy)

Answer & Explanation Answer: D) √( xy)

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Q:

If $C + \frac{1}{C} = \sqrt{3}$ , then what is the value of $C^{3} + \frac{1}{C^{3}} = ?$

A) 0	B) 3√3
C) 1/√3	D) 6√3

Answer & Explanation Answer: A) 0

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Q:

Which of the following statements is not true?

A) The difference of two prime numbers, both greater than 2, is divisible by 2	B) For two different integers m, n and a prime number p, if p divides the product m × n, then p divides either m or n.
C) If a number is of the form 6n –1 (n being a natural number), then its is a prime number.	D) There is only one set of three prime numbers such that there is a gap of 2 between two adjacent prime numbers.

Answer & Explanation Answer: D) There is only one set of three prime numbers such that there is a gap of 2 between two adjacent prime numbers.

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Filed Under: Numbers
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Q:

Find the perimeter (in cm) of a semicircle of radius 28 cm.

A) 288	B) 144
C) 121	D) 242

Answer & Explanation Answer: B) 144

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Filed Under: Area
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Q:

In these tests find the Odd figure out

A) a	B) b
C) c	D) d

Answer & Explanation Answer: D) d

Explanation:

In all figures, the upper circle overlaps the lower circle but in option D lower circle overlaps the upper.

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Q:

What is the simplified value of $[(\sec^{3} x - \tan^{3} x) / (\sec x - \tan x)] - 2 \tan^{2} x - \sec x \tan x ?$

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

Quantitative Aptitude - Arithmetic Ability Questions

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