6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the value of 1/√2 Cot 30° + 1/√3 Cosec 60°?

A) (3√3 + 2√2)/3√2	B) (3√3 - 2√2)/3√2
C) (3√3 + 2√2)/√2	D) (3√3 - 2√2)/√2

Answer & Explanation Answer: A) (3√3 + 2√2)/3√2

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Q:

If x + y = 10 and xy = 4, then what is the value of $x^{4} + y^{4}$ ?

A) 8464	B) 8432
C) 7478	D) 6218

Answer & Explanation Answer: B) 8432

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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) (7, 14, 21)	B) (5, 12, 19)
C) (3, 10, 17)	D) (9, 16, 35)

Answer & Explanation Answer: D) (9, 16, 35)

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Q:

Find out the odd word/letters/number/number pair from the given alternatives.

A) Mustard gas	B) Gasoline
C) Diesel	D) Natural gas

Answer & Explanation Answer: A) Mustard gas

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Q:

Ankit scored 32, 45 and 49 marks in Physics, English and Philosophy respectively. The maximum marks in each subject is 50. Determine his overall percentage for the three subjects.

A) 58	B) 50
C) 42	D) 84

Answer & Explanation Answer: D) 84

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Q:

If price of the table is increased by 25%, then a person can buy 25 table less for Rs 25000. What is the original price (in Rs) of the table?

A) 225	B) 250
C) 200	D) 167

Answer & Explanation Answer: C) 200

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Q:

A boy buys 5 pencils at Rs 3 each, 3 erasers at Rs 2 each and 3 sharpeners at Rs 5 each. What is the average expenditure (in Rs) per article?

A) 3.27	B) 3.5
C) 4	D) 5

Answer & Explanation Answer: A) 3.27

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Q:

If a taxi going at 40 km/hr takes 25 minutes to travel a certain distance, by how much should it increase its speed (in km/hr) to travel the same distance in 20 minutes?

A) 50	B) 5
C) 25	D) 10

Quantitative Aptitude - Arithmetic Ability Questions

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