Quantitative Aptitude - Arithmetic Ability Questions

Q:

If the edge of a cube is increased by 10%, then what will be the percentage increase in its volume ?

A) 30 B) 31.3
C) 136.1 D) 33.1
 
Answer & Explanation Answer: D) 33.1

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Q:

If a+b+c = 0, then (a^3 + b^3 + c^3)^2 = ?

A) 27abc B) 9abc
C) 3abc D) 9a^2b^2c^2
 
Answer & Explanation Answer: D) 9a^2b^2c^2

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Q:

sec2Acosec2A is equal to

A) sec2A -­ cosec2A B) √[sec2A + cosec2A]
C) sec2A + cosec2A D) √[sec2A -­ cosec2A]
 
Answer & Explanation Answer: C) sec2A + cosec2A

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Q:

The value of x13+x-13x23-1+x-23

A) x-1+x23 B) x+x-13
C) x13+x-1 D) x+x-1
 
Answer & Explanation Answer: C) x13+x-1

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Q:

What is the value of sin6θ + cos6θ + 3 sin2θ cos2θ 1?

A) 0 B) 1
C) 2 D) 4
 
Answer & Explanation Answer: A) 0

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Q:

The marked price of a shirt is Rs 1280. If the shirt is being sold for Rs 900, then what is the discount percentage?

A) 31.31 B) 25.57
C) 29.68 D) 34.36
 
Answer & Explanation Answer: C) 29.68

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Q:

A number is decreased by 10% and the resulting number is again decreased by 20%. What is the final percentage of decrease?

A) 25% B) 26%
C) 27% D) 28%
 
Answer & Explanation Answer: D) 28%

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Q:

If A% of A is 196, then what is the value of A?

A) 170 B) 160
C) 120 D) 140
 
Answer & Explanation Answer: D) 140

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