Quantitative Aptitude - Arithmetic Ability Questions

Q:

The length of the diagonal of a square is 14 cm. What is area of this square?

A) 49 sq cm B) 196 sq cm
C) 98 sq cm D) 77 sq cm
 
Answer & Explanation Answer: C) 98 sq cm

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Filed Under: Area
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Q:

In XYZ measure of angle Y is 90 deg. If cosecX = 13/12, and XY = 1cm, then what is the length ( in cm ) of side YZ?

A) 2.6 B) 1.5
C) 2.4 D) 2
 
Answer & Explanation Answer: C) 2.4

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Q:

A sum amounts to Rs 7727.104 at the rate of 12% per annum compounded annually after three years. What is the value of principal (in Rs)?

A) 5000 B) 5200
C) 5350 D) 5500
 
Answer & Explanation Answer: D) 5500

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Filed Under: Simple Interest
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Q:

Average of two numbers is 8 and average of other three numbers is 3 ; the average of the five numbers is

A) 2 B) 3
C) 5 D) 6
 
Answer & Explanation Answer: C) 5

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Filed Under: Average
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Q:

The expression 52n –23n has a factor?

A) 3 B)  7
C) 17 D) None of the above
 
Answer & Explanation Answer: C) 17

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Q:

A shopkeeper, sold dried apricots at the rate Rs 1210 a kg and bears a loss of 12%. Now if he decides to sell it at Rs 1331 per kg, what will be the result?

A) 6.4 percent loss B) 3.2 percent gain
C) 6.4 percent gain D) 3.2 percent loss
 
Answer & Explanation Answer: D) 3.2 percent loss

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Filed Under: Profit and Loss
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Q:

A vendor buys bananas at 7 for Rs 6 and sells at 6 for Rs 7. What will be the result?

A) 36.1% loss B) 26.5% profit
C) 36.1% profit D) 26.5% loss
 
Answer & Explanation Answer: C) 36.1% profit

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Filed Under: Profit and Loss
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Q:

If cosec4A -­ cosec2A = x, then value of x is?

A) tan4A + tan2A B) cot4A + cot2A
C) cot4A -­ cot2A D) tan4A -­ tan2A
 
Answer & Explanation Answer: B) cot4A + cot2A

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Filed Under: Simplification
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