7. A and B enter into partnership, investing Rs. 12000 and Rs. 16000 respectively. After 8 months, C joins them with a capital of Rs. 15000. The share of C in a profit of Rs. 45600 after 2years will be:

8. Dilip, Ram and Amar started a shop by investing Rs. 27000, Rs. 81000 and Rs. 72000 respectively. At the end of one year, the profit was distributed. If Ram�s share of profit be Rs. 36000. The total Profit was:

9. A and B enter into partnership. A invests Rs. 16000 for 8 months and B remains in the business for 4 months. Out of a total profit, B claims 2/7 of the profit. B contributed: