6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

In an examination, 52% candidates failed in English and 42% failed in Mathematics. If 17% failed in both the subjects, then what percent passed in both the subjects?

A) 77	B) 58
C) 48	D) 23

Answer & Explanation Answer: D) 23

Explanation:

No of students failed in English only = 52 –17 = 35

No of students failed in maths only = 42 –17 = 25

Total no of failed students in either of the subjects = 35+17+25 = 77

No of passed student in both subjects = 100 –77 = 23

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

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Q:

A can do a piece of work in 10 days, B can do it in 12 days and C can do it in 15 days. In how many days will A, B and C finish it, working all together?

A) 6 days	B) 5 1/4 days
C) 4 4/11 days	D) 4 days

Answer & Explanation Answer: D) 4 days

Explanation:

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

If x - y = -9 and xy = -20, then find $x^{2} + y^{2}$ ?

A) 61	B) 41
C) 81	D) 51

Answer & Explanation Answer: B) 41

Explanation:

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

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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:

If a - b = 1 and ab = 6, then what is the value of $a^{3} - b^{3}$ ?

A) 21	B) 23
C) 19	D) 25

Answer & Explanation Answer: C) 19

Explanation:

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Exam Prep: Bank Exams

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Q:

When a discount of 50% is given on a shirt, the profit is 25%. If the discount is 10%, then the profit is

A) 35 percent	B) 55 percent
C) 215 percent	D) 125 percent

Answer & Explanation Answer: D) 125 percent

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If 5% of (P + Q) = 20% of (P – Q), then P is what percentage of Q?

A) 133.33	B) 166.66
C) 150	D) 171.33

Answer & Explanation Answer: B) 166.66

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

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

A) VT	B) FD
C) PN	D) JM

Quantitative Aptitude - Arithmetic Ability Questions

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