4 years ago, the ratio of \(\frac{1}{2}\) of Richa’s age at that time and 4 times of Rohit’s age at that time was 1: 2. 6 years hence, \(\frac{1}{3}\) of Richa’s age at that time will be less than Rohit’s age at that time by 3 years. What is the Rohit’s present age?
1
10 years
2
12 years
3
15 years
4
20 years