If C and D invest some money in the ratio 7 : 6 for the same time and after one year the difference in the profit obtained by C and D is Rs.100, find the profit of A?
700
Investment of C ×time of investment of CInvestment of D ×time of investment of D=Profit of CProfit of D
Profit of CProfit of D = 76
Profit of C = 713×1300
= Rs.700