Question

The present age of son is half the present age of his father. 10 years ago, the father was thrice as old as his son.What are their present age?

Answer 1

Step-by-step explanation:

lets father age = X

and son age= X/2 ,

10years ago father age x-10

son age= X/2-10 given that

father was thrice old as his son

3×(x/2-10)=x-10

solve this we find

Father age = 40

and son age = 20