Quantitative Aptitude - Arithmetic Ability Questions

Q:

If α and β are the roots of equation x2   x + 1 = 0, then which equation will have roots α3 and β3?

A) x2 + 2x + 1 = 0 B) x2 – 2x – 1 = 0
C) x2 + 3x – 1 = 0 D) x2 – 3x + 1 = 0
 
Answer & Explanation Answer: A) x2 + 2x + 1 = 0

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Q:

Find the odd word/letters/number from the given alternatives.

A) Tabla B) Tanpura
C) Sarod D) Sitar
 
Answer & Explanation Answer: A) Tabla

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Q:

Two labourers A and B are paid a total of Rs 650 per day. If A is paid 160 percent of what is paid to B, how much (in Rs) is B paid?

A) 250 B) 400
C) 350 D) 450
 
Answer & Explanation Answer: A) 250

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Q:

If Girish's salary is 4/9 times of Harishankar's and Shirish's salary is 5/6 times of Harishankar's, what is the ratio of Girish's salary to Shirish's.

A) 27:10 B) 10:27
C) 8:15 D) 15:8
 
Answer & Explanation Answer: C) 8:15

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Filed Under: Ratios and Proportions
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Q:

Coefficient of x2 in 4x3 - 2x2 + 2x -­ 3 are

A) 6 B) -2
C) 3 D) -3
 
Answer & Explanation Answer: B) -2

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Q:

What is the measure of an exterior angle of a regular polygon of 10 sides?

A) 30 B) 24
C) 36 D) 20
 
Answer & Explanation Answer: C) 36

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Filed Under: Area
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Q:

If x=2+3, then the value of x2-x+1x2+x+1 is

A) 2/3 B) 3/4
C) 4/5 D) 3/5
 
Answer & Explanation Answer: D) 3/5

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Q:

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A) 19 – 57 B) 13 – 39
C) 23 – 69 D) 17 – 53
 
Answer & Explanation Answer: D) 17 – 53

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Filed Under: Odd Man Out
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