Q. A, B and C enter into a partnership. A initially invests Rs. 25 lakhs and adds another Rs. 10 lakhs after one year. B initially invests Rs. 35 lakhs and withdraws Rs. 10 lakhs after 2 years C invests Rs. 30 lakhs. In what ratio should the profits be divided at the end 3 years? 

1. 10 : 10 : 9
2. 20 : 19 : 18
3. 20 : 20 : 19
4. None of these