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Percentage of a Number

Mona is 20

Question

Mona is 20% younger than Neetu. How much percent is Neetu older than Mona ?

A

20%

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B

16%

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C

25%

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D

15%

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Solution

The correct option is C 25%
Let Neetu's age be $x$ years
Then Mona's age is $0.8 x$ years
So, Neetu is $\frac{x - 0.8 x}{0.8} \times 100 = 25 %$ older than Mona.

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