A and B put in Rs.300 and Rs.400 respectively into a business. A reinvests into the business his share of the first year’s profit of Rs.210 where as B does not. In what ratio should they divide the second year’s profit?

A and B put in Rs.300 and Rs.400 respectively into a business. A reinvests into the business his of the first year’s profit of Rs.210 where as B does not. In what ratio should they divide the second year’s profit?

A. 39:40
B. 40:39
C. 3:4
D. 4:3
Explanation:
3: 4
A = 3/7*210 = 90
390: 400
39:40