6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The mean of marks secured by 45 students in division A of class X is 69, 65 students of division B is 65 and that of 50 students of division C is 63. Find the mean of marks of the students of three divisions of Class X.

A) 65.5	B) 64.8
C) 64.1	D) 66.9

Answer & Explanation Answer: A) 65.5

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

$If y = \frac{2 - x}{1 + x}, then what is the value of \frac{1}{y + 1} + \frac{2 y + 1}{y^{2} - 1} ?$

A) (1+x)(2-x)2x-1	B) (1-x)(2+x)x-1
C) (1+x)(2-x)1-2x	D) (1+x)(1-2x)2-x

Answer & Explanation Answer: C) (1+x)(2-x)1-2x

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

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Q:

The addition of a rational number and its reciprocal is 61/30. Calculate the number.

A) 5/6, 6/5	B) 5/6, 7/5
C) 7/6, 6/5	D) 7/6, 7/5

Answer & Explanation Answer: A) 5/6, 6/5

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

If 177 is divided into 3 parts in the ratio 1/2 : 2/3: 4/5, then the second part is

A) 75	B) 45
C) 72	D) 60

Answer & Explanation Answer: D) 60

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

30% discount is offered on an item. By applying a promo code the customer wins 10% cash back. What is the effective discount?

A) 40.7 percent	B) 40 percent
C) 37 percent	D) 13 percent

Answer & Explanation Answer: C) 37 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Find the odd numbers/letters/numbers from the given alternatives.

A) Red	B) Brown
C) Green	D) Yellow

Answer & Explanation Answer: B) Brown

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?

A) 1/2	B) 1/√2
C) 1	D) 1/3

Answer & Explanation Answer: C) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Coefficient of $x^{2} in 4 x^{3} - 2 x^{2} + 2 x - 3$ are

A) 6	B) -2
C) 3	D) -3

Quantitative Aptitude - Arithmetic Ability Questions

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