Question

9. A father is now three times as old as his son
Five years back, he was four times as old as
his son. The age of the son (in years) is:
IN​

Answer 1

Answer:

Let son's age be x then father's age is 3x

Five years ago, father's age = 3x-5 and son's age x-5

So, 3x-5 = 4(x-5)

=> 3x-5 = 4x-20

=> x = 15

Step-by-step explanation:

hope it helps u.....

Answer 2

question :- A father is now three times as old as his son

Five years back, he was four times as old as

his son. The age of the son (in years) is:

IN​

Answer:-father is now three times as old as his son. Five years back, he was four times as old as his son. The age of the son is :

12

15

18

20

Answer: Option B

Explanation:

Let son's age be x then father's age is 3x

Five years ago, father's age = 3x-5 and son's age x-5

So, 3x-5 = 4(x-5)

=> 3x-5 = 4x-20

=> x = 15