Question

rahul is 5 years old his father's age is 31 years after how many years will his father's age be three times of his age​

Answer 1

Answer:

8 yrs

Step-by-step explanation:

let required years be x

3(5+x)=31+x

15+3x=31+x

2x=16

x=2

Answer 2

Answer:

8 yeara

Step-by-step explanation:

Rahul's age after 5 years=5+x

fathers age =31+x

father's age will be 3 times of Rahul's age

=>3*(5+x)=31+x

=>15+3x=31+x

=>3x-x=31-15=16

=>2x=16

=>x=16÷2=8