6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If √x - √y = 1 , √x + √y = 17 then √xy = ?

A) √72	B) 72
C) 32	D) 24

Answer & Explanation Answer: B) 72

Explanation:

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Exam Prep: Bank Exams

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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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Filed Under: Numbers
Exam Prep: Bank Exams

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Q:

What is the simplified value of $\sqrt{\frac{{(0.04)}^{2} + {(0.21)}^{2} - 0.0084}{{(0.04)}^{3} + {(0.21)}^{3}}}$

A) 0.5	B) 2
C) 10.25	D) 10.3

Answer & Explanation Answer: B) 2

Explanation:

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Q:

If y = √3 - √2, then find the value of $(\frac{1}{y^{3}} - y^{3})$ .

A) 11	B) 11√2
C) 22	D) 22√2

Answer & Explanation Answer: D) 22√2

Explanation:

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Q:

If 3:27 :: 5:?

A) 25	B) 125
C) 250	D) 625

Answer & Explanation Answer: B) 125

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

What is the slope of the line perpendicular to the line passing through the points (-2, 3) and (2, 0)?

A) 4/3	B) 3/4
C) -3/4	D) -4/3

Answer & Explanation Answer: A) 4/3

Explanation:

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Q:

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

A) Border Security Force	B) Central Reserve Police Force
C) IndoTibetan Border Police Force	D) Indian Air Force

Answer & Explanation Answer: D) Indian Air Force

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

In the following question, select the odd letter/letters from the given alternatives.

A) DKR	B) JQX
C) IPT	D) LSZ

Quantitative Aptitude - Arithmetic Ability Questions

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