At the birth of his son, Ali’s age is 32 and after how many years its age becomes 5 times of his son’s age?

A) 6 years

B) 8 years<

C) 10 years

D) 12 years

Step-by-step explanation:

At the birth of his son, Ali’s age = 32 years

Let after x years,

Ali’s age = 5x years

To find, after how many years its age become 5 times of his son’s age = ?

According to question,

∴ 5x = 32 + x

⇒ 5x – x  = 32

⇒ 4x = 32

⇒ x = 

⇒ x = 8 ( ANS)