Rohan, Gaurav and Ratika are three siblings. Rohan is 1 year elder to Gaurav. The sum of ages of Rohan and Gaurav is 2 years more than the age of Ratika. After 9 years, the ratio of ages of Rohan and Ratika will be 4 : 5. What will be the age of Ratika 3 years hence?
1
15 years
2
16 years
3
14 years
4
12 years