If A and B invest some amount for the same time and after one year share their profit in the ratio of 3: 4 respectively. If the total investment is Rs. 7000, what is the investment of A?
Rs.3000
(Investment of A×time of Investment of A)(Investment of B×time of Investment of B)=Profit of AProfit of B(Investment of A)(Investment of B)=34
Investment of A =(37)×7000
=Rs.3000