Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of 5.6x0.36+0.42x3.20.8 x 2.1 ?

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

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Q:

The third proportional of two numbers 4 and 28 is _______.

A) 52 B) 56
C) 84 D) 196
 
Answer & Explanation Answer: D) 196

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Q:

The ratio of the heights of Nani and Leelu is 4 : 3. If Leelu is 1.2 m tall, then what is the height of Nani?

A) 1.6 m B) 2 m
C) 0.9 m D) 1.8 m
 
Answer & Explanation Answer: A) 1.6 m

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Q:

In a college union, there are 48 students. The ratio of the number of boys to the number of girls is 5:3. The number of girls to be added in the union, so that the number of boys to girls in 6:5 is

A) 6 B) 7
C) 12 D) 17
 
Answer & Explanation Answer: B) 7

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Q:

The measures of the four angles of a quadrilateral are in the ratio 1:2:3:4. What is the measure of the biggest angle?

A) 36° B) 144°
C) 72° D) 108°
 
Answer & Explanation Answer: B) 144°

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Q:

Simplify 0.1x0.1x0.1 + 0.3x0.3x0.30.3x0.3 - 0.3x0.1 + 0.1x0.1

A) 0.09 B) 0.03
C) 0.05 D) 0.04
 
Answer & Explanation Answer: D) 0.04

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Q:

If a - b = 1 and ab = 6, then what is the value of a3- b3?

A) 21 B) 23
C) 19 D) 25
 
Answer & Explanation Answer: C) 19

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Q:

If 7x - [3(2x - 3)]/2 = 1/2, then what is the value of x?

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

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