Direction: The following questions are accompanied by two statements. You have to determine which statement is/are sufficient to answer the questions.

By how many years is Rohit younger than Ankit?

I: The ratio of Rohit’s present age to Ankit’s age after 4 years is 5 ∶ 7.

II: The ratio of Rohit’s age four years ago to Ankit’s present age is 2 ∶ 3.