Question

the present age of father is four times the present age of his son.5 years ,hence the age of father will be thrice the age of his son. find the present age

Answer 1

Let the present age of son be x years

Fathers age = 4x

After 5 years

Age of son = x + 5

Age of father = 4x + 5

According to the question

4x + 5 = 3 ( x + 5 )

4x + 5 = 3x + 15

4x – 3x = 15 – 5

x = 10

Ans : present age of son is 10 years

present age of father is 40 years

Answer 2

let the present age of son=x

present age of father=4x

5 year hence ,the age of son= x+5

age of father=4x+5

According to questions,

4x+5=3(x+5)

4x+5=3x+15

4x-3x=15-5

x=10

therefore,

age of son =x=10 years

age of father= 4x=4*10=40 years

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