56.
A and B started a joint business. A's investment was thrice the investment of B and the period of his investment was twice the period of investment of B. If A received Rs. 1560 as a profit., then the total profit was :
A:
Rs. 1820
B:
Rs. 1960
C:
Rs. 3120
D:
Rs. 4680
The answer is:
A
