6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?

53.01 - 345.02 ÷ 22.99 = 2 ×(?)

A) 14	B) 19
C) 24	D) 54

Answer & Explanation Answer: B) 19

Explanation:

Ans.
53 - 345 ÷ 23 = 2 ×(?)
53 - 15 = 2 ×(?)
38 = 2 ×(?)
? = 19

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , GATE

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Q:

The number of trees in a town is 17640. If the numbers of trees increases annually at the rate of 5%, then how many trees were there 2 years ago?

A) 14000	B) 15000
C) 16000	D) 18000

Answer & Explanation Answer: C) 16000

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

6 2088

Q:

What is the value of tan 7π/6?

A) 1/√3	B) -1/√3
C) √3	D) -√3

Answer & Explanation Answer: A) 1/√3

Explanation:

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Q:

Manoj can do a piece of work in 42 hours. If he is joined by Jayashree who is 100% more efficient, in what time they will finish the work together?

A) 7 hours	B) 3.5 hours
C) 14 hours	D) 2.5 hours

Answer & Explanation Answer: C) 14 hours

Explanation:

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

$∆$ PQR is right angled at Q. If m∠R = 45°, then find the value of (cosecP - √3/2)

A) (3√3-1)/3	B) 2/√3
C) (2-√3)/√3	D) (2√2-√3)/2

Answer & Explanation Answer: D) (2√2-√3)/2

Explanation:

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Q:

If $a^{2} \sec^{2} x - b^{2} \tan^{2} x = c^{2}$ then the value of $\sec^{2} x + \tan^{2} x$ is equal to (assume b2 ≠ a2 )

A) b2-a2+2c2b2+a2	B) b2+a2-2c2b2-a2
C) b2-a2-2c2b2+a2	D) b2-a2b2+a2+2c2

Answer & Explanation Answer: B) b2+a2-2c2b2-a2

Explanation:

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Q:

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

A) 125	B) 512
C) 1321	D) 1728

Answer & Explanation Answer: C) 1321

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

An equilateral triangle of side 6 cm is inscribed in a circle. Then radius of the circle is

A) 2√3 cm	B) 3√2 cm
C) 4√3 cm	D) √3 cm

Quantitative Aptitude - Arithmetic Ability Questions

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