Question

Father is four times the age of his daughter. If after 5 years, he would be three times of daughter’s age. Find the present age of father.

Answer 1

Answer:

father's present age: 40 yrs

Step-by-step explanation:

Present

Let the daughter's age be x

therefore, father's age = 4x

After 5 years

daughter's age = x+5

father's age = 4x+5

according to the problem,

4x+5 = 3(x+5)

=> 4x - 3x = 15 - 5

=> x = 10 (daughter's age)

therefore, father's present age = 4x = 4*10 = 40 yrs

Answer 2

Let the daughter's age be x and father's age be 4x.

So as per question, 4x + 5 = 3(x + 5). So x = 10.

Hence present age of daughter is 10 years and present age of father is 40 years.

So after 5 + 5 = 10 years, daughter age would be 20 years and father’s age would be 50 years.

Hence father would be 50/20 = 2.5 times of daughter’s age