Question

After 20 years,Suresh’sage will

be 3 times of hispresent age, then

find hispresent

age.​

Answer 1

Answer:

10 year

Step-by-step explanation:

Let the present age of Suresh X

after 20 year he will became = X+20

$x + 20 = 3x \\ 3x -x = 20 \\ 2x = 20 \\ x = \frac{20}{2} \\ x = 10 \: year$

Answer 2

Answer:

Step-by-step explanation:

Take present age as X

Then after 20 years his age become 3 times of X

This can be written as

X+20=3X

That is his age after 20 years is current age X plus 20

By solving

We get 2X=20

That is X=10 is the present age