Direction: Read the following data carefully and answer the following questions:

Three partners A, B and C involve in a partnership for a year. The amount invested per month by A, B and C are in the ratio 5∶ 7∶ 2, they invested in this manner for 5, 6 and 8 months respectively. For the remaining time period, the amount invested per month by A, B and C are in the ratio 2: 4: 3. The total amount invested by A and B for whole year is Rs.143000 and the difference between the total amount invested by B and A is Rs.37000.