6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

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

A) RQP	B) KJI
C) FED	D) GHI

Answer & Explanation Answer: D) GHI

Explanation:

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Q:

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

A) 2356	B) 1232
C) 4268	D) 2270

Answer & Explanation Answer: D) 2270

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Q:

There are 10 dozen apples, 15 dozen mangoes and 20 dozen oranges for selling. If 1/2, 1/3 and 1/4 of them are sold respectively. How many of the total fruits are remaining?

A) 420	B) 380
C) 180	D) 360

Answer & Explanation Answer: D) 360

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Q:

Find the value of x if 0.08x + 0.04y = 10 and 0.2(x-1) + 0.4y = 24.8

A) 125	B) 150
C) 1.25	D) 12.5

Answer & Explanation Answer: A) 125

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Q:

The value of $8 (\sin^{6} θ + \cos^{6} θ) - 12 (\sin^{4} θ + \cos^{4} θ)$ is equal to

A) 20	B) -20
C) 4	D) -4

Answer & Explanation Answer: D) -4

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Q:

Which of the following is equivalent to 0.565656...?

A) 56/100	B) 56/1000
C) 56/99	D) 560/90

Answer & Explanation Answer: C) 56/99

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Q:

The sum of two numbers is equal to thrice their difference. If the smaller of the numbers is 10 find the other number.

A) 15	B) 30
C) 40	D) None of these

Answer & Explanation Answer: D) None of these

Explanation:

Let larger number be x and smaller number be y.

Also, y = 10

According to question,

⇒(x + y) = 3((x –y)⇒(x + 10) = 3(x –10)

⇒2x = 40⇒x = 20

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Q:

Which of the following numbers is not a prime number?

A) 197	B) 313
C) 439	D) 391

Quantitative Aptitude - Arithmetic Ability Questions

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