Question

After 30 years the age of a boy will be 4 times of his present age calculate his present age​

Answer 1

Answer:

the answer is 10 year old

Answer 2

QUESTION:-

After 30 years the age of a boy will be 4 times of his present age calculate his present age​

TO FIND:-

His present age

EXPLANATION:-

Let the resent age of boy be x years

After 30 years his age will be =30+x years

4 time his present age=4x years

So A.T.Q

If we equate his age after 30 years with his age 4 times of his present age,then we can get a linear equation

$\text{x+30=4x}\\\\\text{4x-x=30}\\\\\text{3x=30}\\\\\text{x=30/3}\\\\\text{x=10}$

So the present age is 10 years

$\rule{300}{1.5}$