Question

The present age of Maninder is twice the present age of Joy. If five years later the age of Joy becomes three fifth of Maninder's age, then what is the present age of Joy​

Answer 1

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Solution:

Let Ravi’s present age be x years.

After fifteen years, Ravi’s age = 4x years.

Fifteen years from now, Ravi’s age = (x+15) years.

According to question, 4x = x + 15

\Rightarrow\ 4x-x=15⇒ 4x−x=15

[Transposing x to L.H.S]

3x = 15

\Rightarrow\ \frac{3x}{3}=\frac{15}{3}⇒

3

3x

=

3

15

[Dividing both sides by 3]

x = 5 years.

Hence, Ravi’s present age be 5 years.

@ngel...