A sum of money was divided between Tarun, Raghav and Kapil in the ratio 7 ∶ 4 ∶ 9. But, Kapil gave 1/3 of his share each to Tarun and Raghav. If Tarun received Rs. 1800 more than Raghav, then what is the total sum of money?
1
Rs. 6000
2
Rs. 9000
3
Rs. 12000
4
Rs. 15000
5
Answer not known