Quantitative Aptitude :: Problems on Ages - Discussion

Show Explanation

Please attempt the question to view the Explanation !!!

Explanation:
Lets assume son's age = x
So, father's age = x + 30

After 5 years:
Son's age = x + 5
Father's age = x + 35

In 5 years the father is thrice as old as his son so:
3(x + 5) = x + 35
x = 10

So, current father's age = 40 Years.