6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The mean of the data 1, 1/2, 1/2, 3/4, 1/4, 2, 1/2, 1/4, 3/4 is

A) 15/18	B) 13/18
C) 7/9	D) 8/9

Answer & Explanation Answer: B) 13/18

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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) (8, 23, 15)	B) (17, 52, 33)
C) (12, 35, 23)	D) (15, 44, 29)

Answer & Explanation Answer: B) (17, 52, 33)

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Q:

X attempts 94 questions and gets 141 marks. If for every correct answer 4 marks is given, and for every wrong answer 1 mark is deducted, then the number of questions wrongly answered by X is __.

A) 45	B) 47
C) 57	D) 40

Answer & Explanation Answer: B) 47

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Q:

What is the slope of the line parallel to the line passing through the points (-4,-6) and (2,-3)?

A) -1/2	B) -2
C) 2	D) 1/2

Answer & Explanation Answer: D) 1/2

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Q:

A bag contain equal number of 1 rupee, 50 paisa and 25 paisa coins. If the total amount is Rs 105, then how many coins of each type are there?

A) 15	B) 45
C) 60	D) 80

Answer & Explanation Answer: C) 60

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Q:

Expand : ${(S + 2)}^{3}$

A) S3+3S2+12S+8	B) S3+3S2+6S+8
C) S3+6S2+12S+8	D) S3+6S2+6S+8

Answer & Explanation Answer: C) S3+6S2+12S+8

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Q:

Amarjeet scored 92, 98 and 90 marks in Chemistry, Mathematics and Physics respectively. The maximum marks in each subject are 100. Determine his overall percentage for the three subjects.

A) 0.9234	B) 0.5956
C) 0.9333	D) 0.8444

Answer & Explanation Answer: A) 0.9234

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Filed Under: Percentage
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Q:

A student, by mistake, wrote 64 in place of 46 as a number at the time of finding the average of 10 given numbers & got the average as 50. The correct average of the numbers is

A) 48.2	B) 48
C) 48.1	D) 49

Quantitative Aptitude - Arithmetic Ability Questions

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