R’s share of Profit =210×200=Rs.40
3 classmates P, Q and R earned a profit of Rs. 9000. The ratio of capital invested by P and Q is 1 : 2. The ratio of capital invested by Q and R is 4 : 3. Calculate the actual profit each of them earns.
P and Q invested Rs. 6000 and Rs. 8000 in a business. P receives Rs.12.5 per month out of the profit as remuneration for running the business and the rest of profit is divided in proportion to the investments. If in a year P totally receives Rs.780, what does Q receive?