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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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The average of ten numbers is 18. If one number is removed, then the average becomes 16, then what is the removed number?

A) 36	B) 40
C) 48	D) 52

A) 36

B) 40

C) 48

D) 52

Answer & Explanation Answer: A) 36

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

2 852

In the circle above, chord AB is extended to meet the tangent DE at D. If AB = 5 cm and DE = 6 cm, find the length of BD.

A) 4 cm	B) 5 cm
C) 6 cm	D) √30 cm

A) 4 cm

B) 5 cm

C) 6 cm

D) √30 cm

Answer & Explanation Answer: A) 4 cm

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

0 851

Two circles touch each other internally. The radius of the larger circle is 6 cm and the distance between the centre is 2 cm, then the radius (in cms) of the other circle is

A) 8	B) 2
C) 4	D) 3

A) 8

B) 2

C) 4

D) 3

Answer & Explanation Answer: C) 4

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Filed Under: Quantitative Aptitude - Arithmetic Ability

0 851

If the diameter of a circle is 35 cm, then what will be its circumference (in cm)?

A) 110	B) 220
C) 21	D) 42

A) 110

B) 220

C) 21

D) 42

Answer & Explanation Answer: A) 110

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

0 851

If the measure of the interior angle of a regular polygon is 90 deg greater than the measure of its exterior angle, then how many sides does it have ?

A) 8	B) 9
C) 10	D) 12

A) 8

B) 9

C) 10

D) 12

Answer & Explanation Answer: A) 8

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

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If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 32448 and Rs 33745.92 respectively, what is the rate of interest?

A) 2 percent	B) 8 percent
C) 6 percent	D) 4 percent

A) 2 percent

B) 8 percent

C) 6 percent

D) 4 percent

Answer & Explanation Answer: D) 4 percent

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Filed Under: Compound Interest
Exam Prep: Bank Exams

1 851

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?