SWILL106On what sum will the difference between the simple and compound interest for 3 yearsat 10% p.a. is 232-50?The simple interest on a certain sum for 3 years is 1080 and the compound intereston the same sum at the same rate for 2 years is 741.60. Find:(i) the rate of interest(ii) the principal.8 In what time will *2400 amount to *2646 at 10% p.a. compounded semi-annually?9 Sudarshan invested 60000 in a finance company and received 579860 after 1 years.Find the rate of interest per annum compounded half-yearly.The population of a city is 320000. If the annual birth rate is 9.2% and the annual deathrate is 1.7%, calculate the population of the town after 3 years.Hint. Net growth rate = 9.2% – 1.7% = 7.5%.11 The cost of a car, purchased 2 years ago, depreciates at the rate of 20% every year. Ifits present worth is 315600, find :(i) its purchase price(ii) its value after 3 years.12 Amar Singh started a business with an initial investment of 400000. In the first year,he incurred a loss of 4%. However, during the second year, he earned a profit of 5%which in the third year rose to 10%. Calculate his net profit for the entire period of3 years.​