6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the perimeter of the sector whose central angle is 60° and radius of the circle is 21 cm?

A) 128 cm	B) 96 cm
C) 64 cm	D) 32 cm

Answer & Explanation Answer: C) 64 cm

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1202

Q:

If $x + \frac{1}{x} = - 2$ , then the value of $x^{631} + \frac{1}{x^{632}}$ ?

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

Answer & Explanation Answer: C) 0

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Q:

What is the equation of the line perpendicular to the line 5x + 3y = 6 and having Y-intercept -3?

A) 3x - 5y = 15	B) 3x + 5y = 15
C) 3x - 5y = -15	D) 3x + 5y = -15

Answer & Explanation Answer: A) 3x - 5y = 15

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Q:

Length of the sides of a triangle are a, b, c respectively. If $a^{2} + b^{2} + c^{2} = ab + bc + ca$ then the triangle is

A) isosceles	B) equilateral
C) scalene	D) right-angled

Answer & Explanation Answer: B) equilateral

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

0 1201

Q:

Which of the below given fractions is NOT equal to 9/17?

A) 153/289	B) 108/221
C) 63/119	D) 27/51

Answer & Explanation Answer: B) 108/221

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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

3 1200

Q:

The perimeter of two similar triangles ABC and PQR are 36 cms and 24 cms respectively. If PQ = 10 cm then the length of AB is

A) 18 cm	B) 12 cm
C) 15 cm	D) 330 cm

Answer & Explanation Answer: C) 15 cm

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Filed Under: Quantitative Aptitude - Arithmetic Ability

0 1200

Q:

What is the value of $S = \frac{1}{1 x 3 x 5} + \frac{1}{1 x 4} + \frac{1}{3 x 5 x 7} + \frac{1}{4 x 7} + \frac{1}{5 x 7 x 9} + \frac{1}{7 x 10} + . . .$ upto 20 terms. Then what is the value of S?

A) 6179/15275	B) 6070/14973
C) 7191/15174	D) 5183/16423

Answer & Explanation Answer: B) 6070/14973

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Filed Under: Simplification
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Q:

Three balls ring at intervals of 15, 30 and 45minutes respectively. At what time will they ring together again, if they rang simultaneously at 8.00 AM?

A) 8.30 AM	B) 9.30 AM
C) 9.00 AM	D) 8.45 AM

Quantitative Aptitude - Arithmetic Ability Questions

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