Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the sum of the first 11 terms of an arithmetic progression if the first term is -31 and last term is 29?

A) 42 B) -11
C) 28 D) 12
 
Answer & Explanation Answer: B) -11

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Q:

If the difference of the compound interest and the simple interest on a sum of money for 3 years is Rs. 186. Find the sum of money, if the rate of interest in both case be 10%

A) Rs. 5500 B) Rs.7200
C) Rs.6500 D) Rs.6000
 
Answer & Explanation Answer: D) Rs.6000

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Q:

Select the odd number from the given alternatives.

A) 42 B) 84
C) 91 D) 71
 
Answer & Explanation Answer: D) 71

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Q:

Four pairs of words are given. Find the odd one out.

A) Rhombus : Four-sided polygon B) Nonagon : Seven-sided polygon
C) Octagon : Eight-sided polygon D) Hexagon : Six-sided polygon
 
Answer & Explanation Answer: B) Nonagon : Seven-sided polygon

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Q:

Coefficient of x in (x + 8)(6 -­ 3x) is

A) 18 B) 30
C) -18 D) -30
 
Answer & Explanation Answer: C) -18

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Filed Under: Simplification
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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:

Profit of Rs 144000 has to be divided among three partners Akram, Bipin and Chintan in the ratio 3:2:7. How much Rs. Chintan get?

A) 84000 B) 24000
C) 36000 D) 42000
 
Answer & Explanation Answer: A) 84000

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Q:

The mean of marks secured by 60 students in division A of class X is 64, 40 students of division B is 60 and that of 60 students of division C is 58. Find the mean of marks of the students of three divisions of Class X.

A) 60.05 B) 59.35
C) 62.15 D) 60.75
 
Answer & Explanation Answer: D) 60.75

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