In a Partnership A,B,C invest capitals in the ratio 3:5:7.If at the end of the year the total profit is Rs.90,000 then difference between the profits of A and c in rupees is...

profit is always distributed in investment x time ratio only ,since time for invest is same for the three so profits are distr. in 3:5:7 ratio itself.since total investment is 90,000 for 3+5+7 combined that makes 1part=90,000/15 i.e 1part =6000 ,Now A has 3 parts invest i.e 3 x 6000 =18000 , C has 7 parts i.e 7 x 6000 =42000 now C-A 42,000 -18000 =240000