6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If $(1 + \frac{1}{2}) (1 + \frac{1}{4}) (1 + \frac{1}{6}) (1 + \frac{1}{8}) (1 - \frac{1}{3}) (1 - \frac{1}{5}) (1 - \frac{1}{7}) = 1 + \frac{1}{x}$ , then what is the value of x?

A) 6	B) 8
C) 5	D) 7

Answer & Explanation Answer: B) 8

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Which of the following is correct?

A) (4x + 5y)(5x - 4y) = 20x2 + 9xy - 20y2	B) (4x + 5y)(5x - 4y) = 20x2 + 41xy - 20y2
C) (4x + 5y)(5x - 4y) = 20x2 - 9xy + 20y2	D) (4x + 5y)(5x - 4y) = 20x2 - 41xy + 20y2

Answer & Explanation Answer: A) (4x + 5y)(5x - 4y) = 20x2 + 9xy - 20y2

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Q:

If $9^{x} = \sqrt[11]{243}$ , then what is the value of x?

A) 5/11	B) 5/22
C) 5/7	D) 5/33

Answer & Explanation Answer: B) 5/22

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Q:

The side BC of ΔABC is produced to D. If ∠ACD = 114° and ∠ABC= (1/2)∠BAC, then what is the value (in degrees) of ∠BAC?

A) 36	B) 48
C) 76	D) 84

Answer & Explanation Answer: C) 76

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

In a triangle the length of the side opposite the right angle is 6 cm, what is the length of the side opposite to the angle which measures 30°?

A) 3 cm	B) 3√3 cm
C) 3/2 cm	D) (3/2)√3 cm

Answer & Explanation Answer: A) 3 cm

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

Present ages of Sai and Satheesh are in the ratio of 5:4 respectively. Three years hence, the ratio of their ages will become 11:9 respectively. What is Satheesh's present age in years?

A) 21	B) 24
C) 22	D) 23

Answer & Explanation Answer: B) 24

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

The median of the numbers 4, 2, 2, 6, 3 and 8 is

A) 4.5	B) 3.5
C) 4	D) 3

Answer & Explanation Answer: B) 3.5

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Filed Under: Average
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Q:

The least number to be added to 435 to make it a perfect square is

A) 8	B) 4
C) 3	D) 6

Quantitative Aptitude - Arithmetic Ability Questions

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