6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The total surface area of a hemisphere is 462 sq cm, what is its curved surface area? (Take π = 22/7)

A) 616 sq cms	B) 154 sq cms
C) 308 sq cms	D) 462 sq cms

Answer & Explanation Answer: C) 308 sq cms

Explanation:

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

19 personswentto a hotel for a combineddinner party. 13 of them spent Rs 79 each on their dinner and the rest spent Rs 4 more than the average expenditure of all the 19. What was the total money spent by them?

A) 1628.4	B) 1534
C) 1492	D) None of these

Answer & Explanation Answer: D) None of these

Explanation:

Let the average expenditure of 19 people be x

⇒19x = 13 X 79 + 6 X (x+4)⇒19x = 13 X 79 + 6x +24

⇒x = 80.84

So, total money spent by them = 1536.07

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

A work can be completed by 18 boys in 24 days. If 6 boys leave after working for 12 days, then how many days will be needed to complete the remaining work?

A) 12	B) 15
C) 18	D) 24

Answer & Explanation Answer: C) 18

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

If $x^{2} + \frac{1}{x^{2}} - 6$ , then find the value of $\frac{2 x (x - 1)}{x^{3} - x^{2} - x + 1}$

A) 0	B) 1
C) 2	D) 3

Answer & Explanation Answer: B) 1

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

Two students appeared for an examination. One of them secured 13 marks more than the other and his marks were 76% of the sum of their marks. The marks obtained by them are

A) 19 and 6	B) 34 and 21
C) 102 and 89	D) 92 and 79

Answer & Explanation Answer: A) 19 and 6

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

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

A) 17	B) 23
C) 29	D) 33

Answer & Explanation Answer: D) 33

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Two students appeared for an examination. One of them secured 16 marks more than the other and his marks were 75% of the sum of their marks. The marks obtained by them are

A) 98 and 82	B) 49 and 33
C) 96 and 80	D) 24 and 8

Answer & Explanation Answer: D) 24 and 8

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

The ratio of two numbers is 5 : 4. If the sum of both the numbers is 180, then what is the smaller number among both the numbers?

A) 100	B) 80
C) 60	D) 75

Quantitative Aptitude - Arithmetic Ability Questions

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