Quantitative Aptitude - Arithmetic Ability Questions

Q:

In an equilateral triangle ABC, G is the centroid. Each side of the triangle is 6 cm. The length of AG is

A) 2√2 cm B) 3√2 cm
C) 2√3 cm D) 3√3 cm
 
Answer & Explanation Answer: C) 2√3 cm

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Filed Under: Area
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Q:

What is the fourth proportional to 24, 120 and 22?

A) 110 B) 120
C) 100 D) 90
 
Answer & Explanation Answer: A) 110

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Filed Under: Ratios and Proportions
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Q:

By increasing the price of entry ticket to a fair in the ratio 17:19, the number of visitors to the fair has decreased in the ratio 11:10. In what ratio has the total collection increased or decreased?

A) decreased in the ratio 190:187 B) increased in the ratio 187:190
C) increased in the ratio 170:209 D) decreased in the ratio 209:170
 
Answer & Explanation Answer: B) increased in the ratio 187:190

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Filed Under: Ratios and Proportions
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Q:

If 5x ­- 40 = 3x, then the numerical value of 2x -­ 11 is

A) 29 B) 39
C) 19 D) 9
 
Answer & Explanation Answer: A) 29

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Filed Under: Simplification
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Q:

What is the slope of the line 2x - 5y = 12?

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

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Q:

20% of a = b, then b% of 20 is the same as _________ of a.

A) 8% B) 40%
C) 4% D) 80%
 
Answer & Explanation Answer: C) 4%

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Filed Under: Percentage
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Q:

If 5/2 - (6/5)(x - 15/2) = -x/5, then what is the value of x?

A) -23/2 B) 13/2
C) -13/2 D) 23/2
 
Answer & Explanation Answer: D) 23/2

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Q:

At what rate of compound interest (in %) per annum will a sum of Rs. 15,000 become Rs. 18,150 in 2 years?

A) 11 B) 10
C) 9 D) 12
 
Answer & Explanation Answer: B) 10

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Filed Under: Compound Interest
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