Quantitative Aptitude - Arithmetic Ability Questions

Q:

The age of A is three times the age of B. What is the ratio of the age of B to the age of A?

A) 1:3 B) 1:4
C) 1:2 D) 3:1
 
Answer & Explanation Answer: A) 1:3

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Filed Under: Problems on Ages
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Q:

A right circular cylinder is partially filled with water. Two iron spherical balls are completely immersed in the water so that the height of the water in the cylinder rises by 4 cm. If the radius of one ball is half of the other and the diameter of the cylinder is 18 cm, then the radii of the spherical balls are

A) 6 cm and 12 cm B) 4 cm and 8 cm
C) 3 cm and 6 cm D) 2 cm and 4 cm
 
Answer & Explanation Answer: C) 3 cm and 6 cm

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Filed Under: Volume and Surface Area
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Q:

Find the number that is as much greater than 39 as is less than 79.

A) 42 B) 49
C) 55 D) 59
 
Answer & Explanation Answer: D) 59

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Filed Under: Problems on Numbers
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Q:

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

A) Apple B) Banana
C) Tomato D) Cauliflower
 
Answer & Explanation Answer: D) Cauliflower

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Filed Under: Odd Man Out
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Q:

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

 

A) (6, 25, 19) B) (9, 36, 28)
C) (7, 29, 22) D) (5, 21, 16)
 
Answer & Explanation Answer: B) (9, 36, 28)

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Filed Under: Odd Man Out
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Q:

The number of sides of a regular polygon whose exterior angles are each 40 deg is

A) 7 B) 10
C) 9 D) 8
 
Answer & Explanation Answer: C) 9

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Filed Under: Area
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Q:

If x - √x = 20; Find the value of √x.

A) 5 B) 6
C) 8 D) 7
 
Answer & Explanation Answer: A) 5

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Filed Under: Simplification
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Q:

If cot 240° = x, then the value of x is

A) -1 B) -1/√3
C) 1/√3 D) √3
 
Answer & Explanation Answer: C) 1/√3

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Filed Under: Simplification
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