Father age is three times more than his son Ravinder. After 4 years he would be two and half of Ravinder's age. After five years, how many times father's age would be with respect to Ravinder's age?
1
\(1{3\over 9}\)
2
\(2{3\over 9}\)
3
\(2{4\over 9}\)
4
\(1{5\over 9}\)