Ten years hence, the respective ratio between Simmi's age ans Niti's age will be 7 ∶ 9. Two years ago, the respective ratio between Simmi's and Niti's age was 1 ∶ 3. If Abhay is 4 years older then Niti, what is Abhay's present age ? (in years)
1
8
2
4
3
16
4
12