Quantitative Aptitude - Arithmetic Ability Questions

Q:

Find the sum of the measures all the exterior angles of a decagon.

A) 720° B) 2160°
C) 360° D) 1800°
 
Answer & Explanation Answer: C) 360°

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Q:

Sonam's age after eight years will be half of her father's age. Eight years ago the ratio of their ages was 1 : 3. Find the present age of Sonam's father.

A) 48 B) 56
C) 36 D) 65
 
Answer & Explanation Answer: B) 56

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

An equilateral triangle has sides of 10 cm each. Find the ratio of in-radius to the circum-radius of the triangle.

 

A) 1 : 1   B) 1 : 2
C) 2 : 1 D) 1 : 3
 
Answer & Explanation Answer: B) 1 : 2

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Filed Under: Simplification
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Q:

The sum of 10 terms of the arithmetic series is 390. If the third term of the series is 19. Find the first term

A) 3 B) 5
C) 7 D) 8
 
Answer & Explanation Answer: A) 3

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Filed Under: Numbers
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Q:

From the top of a tower 60 mts high the angle of depression of the top and bottom of a pole are observed to be 45° and 60° respectively. If the pole and tower stand on the same plane, the height of the pole in meters is

A) 60(√3­1) B) 20(√3­1)
C) 20(3­√3) D) 20(√3+1)
 
Answer & Explanation Answer: C) 20(3­√3)

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Filed Under: Height and Distance
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Q:

In a college, 25% of male faculties are same in number as 1/3rd of the female faculties. What is the ratio of male faculty to female faculty in that college?

 

A) 4:3 B) 3:4
C) 2:3 D) 3:2  
 
Answer & Explanation Answer: A) 4:3

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Filed Under: Ratios and Proportions
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Q:

The length of a mirror arc is 2/9 of the circumference of the circle. Write the measure of the angle (in degrees) subtended by the arc at the centre of the circle.

A) 60 B) 50
C) 80 D) 30
 
Answer & Explanation Answer: C) 80

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Filed Under: Area
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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) 67559 B) 45189
C) 56341 D) 54321
 
Answer & Explanation Answer: D) 54321

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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