Question

After 18 years of swarnim will be 4 times as old as he is now. His present age is

Answer 1

Solution :

At present Swarnim age = x

After 18 years his age

will be ( x + 18 ) years

According to the problem given,

4x = x + 18

=> 4x - x = 18

=> 3x = 18

=> x = 18/3

=> x = 6

Therefore ,

Swarnim' s present age = x

= 6 years.

•••••

Answer 2

let present age of swarnim be X years.

from 1st condition,

(X+18)=4X

X+18=4X

18=4X-X

18=3X

X=18÷3

X=6

therefore, the present age of swarnim is 6 years