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?  Choose the correct choice.
A) 39:40  B) 39:30  C) 39:47  D) 39:45  E) 39:41
3: 4   39:40 = 3/7*210= 
<gadget id="calculator">3/7*210</gadget>
<output>90</output>
90   390: 400   39:40   39:40nswer: 39:40
<result>A</result>
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?