6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A triangle has a perimeter of 200. If two of its sides are equal and the third side is 20 more than the equal sides, what is the length of the third side?

A) 60	B) 50
C) 80	D) 70

Answer & Explanation Answer: C) 80

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Q:

If the shopkeeper sells an item at Rs 960 which is marked as Rs 1200, then what is the discount he is offering?

A) 25 percent	B) 12 percent
C) 20 percent	D) 28 percent

Answer & Explanation Answer: C) 20 percent

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Q:

2*[0.3(1.3 + 3.7)] of 0.8 = ?

A) 1.92	B) -0.72
C) 2.16	D) -2.4

Answer & Explanation Answer: D) -2.4

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Q:

Selling price of a table is Rs 2808. If profit percentage is 17%, then what is the cost price (in Rs) of table?

A) 2288	B) 2300
C) 2400	D) 3285

Answer & Explanation Answer: C) 2400

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Q:

Findout the odd word/letters/number/number pair from the given alternatives.

A) 8912	B) 3469
C) 5555	D) 6734

Answer & Explanation Answer: B) 3469

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Q:

A line passing through the origin perpendicularly cuts the line 2x + 3y = 6 at point M. Find M?

A) (6/11, 9/11)	B) (6/7, 9/7)
C) (6/11, -9/11)	D) (-6/7, 9/7)

Answer & Explanation Answer: A) (6/11, 9/11)

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Exam Prep: AIEEE , Bank Exams , CAT

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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:

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

Quantitative Aptitude - Arithmetic Ability Questions

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