Question

6. Twenty years from now Ravi's age will be five times his present age. What is Ravi's present age?​

Answer 1

Answer:

Let Ravi′s present age in years =x

So,x+15=4x

3x=15⇒x=5

So, Ravi′s present age is 5 years.

Answer 2

Answer:

Let Ravi's present age be x years.

After 15 years, his age will be (x+15) years.

It is given that after 15 years, Ravi's age will be four times his present age.

∴4x=x+15

⇒4x−x=15

⇒3x=15

⇒x=

3

15

=5

Hence, Ravi's present age is 5 years