6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Out of the 60 students of a class, 29 took Mathematics, 32 took Biology and 8 took none of the two subjects. How many students took both Mathematics and Biology?

A) 8	B) 9
C) 7	D) 6

Answer & Explanation Answer: B) 9

Explanation:

Number of students who took only Mathematics n(m) = 29
Number of students who took only biology n(b) = 32
Total number of students n(t) = 60
Total number of students of both mathematics and biology n(m b) = 60 - 8 = 52
Total number of students who took both = 32 + 29 - 52 = 9

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

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Q:

If Cos θ = 5/13, then Cosec θ = ?

A) 5/12	B) 12/5
C) 13/5	D) 13/12

Answer & Explanation Answer: D) 13/12

Explanation:

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Exam Prep: Bank Exams

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Q:

If $\frac{a^{2}}{b + c} = \frac{b^{2}}{c + a} = \frac{c^{2}}{a + b} = 1$ then the value of $\frac{2}{1 + a} + \frac{2}{1 + b} + \frac{2}{1 + c}$

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

Answer & Explanation Answer: C) 2

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Due to inclement weather, an air plane reduced its speed by 300 Km/ hr, and reached the destination of 1200 km late by 2hrs. Then the schedule duration of the flight was.

A) 1 hour	B) 1.5 hour
C) 2 hour	D) 2.5 hour

Answer & Explanation Answer: C) 2 hour

Explanation:

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

If θ be positive acute angle and 5cosθ + 12sinθ = 13, then the value of cosθ is

A) 12/13	B) 5/13
C) 5/12	D) 1/5

Answer & Explanation Answer: B) 5/13

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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Q:

The selling price of an item inclusive of a 10% profit was Rs.440. What would be the percentage loss if the item was sold for Rs. 370?

A) 7.5	B) 8
C) 6.25	D) 8.4

Answer & Explanation Answer: A) 7.5

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Two labourers A and B are paid a total of Rs. 750 per day. If A is paid 150 percent of what is paid to B, how much (in Rs) is B paid?

A) 450	B) 250
C) 300	D) 500

Answer & Explanation Answer: C) 300

Explanation:

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

If the shopkeeper sells an item at Rs 1250 which is marked as Rs 1500, then what is the discount he is offering?

A) 20 percent	B) 16.67 percent
C) 25 percent	D) 10 percent

Quantitative Aptitude - Arithmetic Ability Questions

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