6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The difference between the place values of 9 and 5 in the number 428693745 is

A) 90995	B) 99995
C) 89995	D) 8995

Answer & Explanation Answer: C) 89995

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Q:

Which of the following is correct?

A) (4x + 5y)(5x - 4y) = 20x2 + 9xy - 20y2	B) (4x + 5y)(5x - 4y) = 20x2 + 41xy - 20y2
C) (4x + 5y)(5x - 4y) = 20x2 - 9xy + 20y2	D) (4x + 5y)(5x - 4y) = 20x2 - 41xy + 20y2

Answer & Explanation Answer: A) (4x + 5y)(5x - 4y) = 20x2 + 9xy - 20y2

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Q:

Determine the value of ${(a + 1)}^{b - 1} when a^{b} = 343 .$

A) 9	B) 64
C) 125	D) 216

Answer & Explanation Answer: B) 64

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Q:

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A) (157, 162, 167)	B) (138, 143, 148)
C) (222, 227, 232)	D) (167, 172, 187)

Answer & Explanation Answer: D) (167, 172, 187)

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Q:

If (1 + sinA)/cosA + cosA/(1 + sinA) = x, then the value of x is

A) 2cosecA	B) 2cosec2A
C) 2sec2A	D) 2secA

Answer & Explanation Answer: D) 2secA

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Q:

The measures of the three angles of a triangle are in the ratio 1:2:3. What is the measure of the biggest angle?

A) 30°	B) 60°
C) 90°	D) 120°

Answer & Explanation Answer: C) 90°

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Q:

The point P(-4,1) divides the segment joining the points (x,0) and (0,y) in the ratio 3:2. Find x and y?

A) x = -10; y = 5/3	B) x = -10; y = -5/3
C) x = 10; y = 5/3	D) x = 10; y = -5/3

Answer & Explanation Answer: A) x = -10; y = 5/3

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Q:

The product of two numbers is 0.432. One of the numbers is 1.6. What is the other number?

A) 2.7	B) 0.027
C) 27	D) 0.27

Quantitative Aptitude - Arithmetic Ability Questions

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