6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The height of a right circular cylinder is twice its radius of the base. If its height be 6 times its radius of the base, then the volume of the cylinder will be 539 cub.cm more. Assuming Π = 22/7, the height of the cylinder is

A) 5 cm	B) 7 cm
C) 9 cm	D) 11 cm

Answer & Explanation Answer: B) 7 cm

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Q:

If x = 1 + √2 + √3, then the value of $x^{2} - 2 x - 4 = 0$

A) √6	B) 2√3
C) 3√2	D) 2√6

Answer & Explanation Answer: D) 2√6

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Q:

The areas of two similar triangles ΔABC and ΔPQR are 121 sq cms and 64 sq cms respectively. If PQ = 12 cm, what is the length (in cm) of AB?

A) 7.25	B) 6.25
C) 16.5	D) 5.25

Answer & Explanation Answer: C) 16.5

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Q:

If $\frac{1}{1 + \frac{1}{1 + \frac{1}{1 + \frac{1}{x}}}}$ = $\frac{5}{8}$ , then what is the value of x?

A) 2	B) 3
C) 1	D) 4

Answer & Explanation Answer: A) 2

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Q:

Which of the following statements is not true?

A) The difference of two prime numbers, both greater than 2, is divisible by 2	B) For two different integers m, n and a prime number p, if p divides the product m × n, then p divides either m or n.
C) If a number is of the form 6n –1 (n being a natural number), then its is a prime number.	D) There is only one set of three prime numbers such that there is a gap of 2 between two adjacent prime numbers.

Answer & Explanation Answer: D) There is only one set of three prime numbers such that there is a gap of 2 between two adjacent prime numbers.

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Filed Under: Numbers
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Q:

Slope of the line AB is -4/3. Co-ordinates of points A and B are (x, -5) and (-5, 3) respectively. What is the value of x?

A) -1	B) 2
C) -2	D) 1

Answer & Explanation Answer: D) 1

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Q:

If one-third of a number is 45, then what will be the 45% of that number?

A) 60.75	B) 58.25
C) 61.25	D) 70.75

Answer & Explanation Answer: A) 60.75

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

In a school 60% of the students are girls. If number of boys is 480, then what is the total number of students in the school?

A) 1200	B) 840
C) 96	D) 1320

Quantitative Aptitude - Arithmetic Ability Questions

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