Please quickly answer the question:- 1. Find the amount and the compound interest on Rs.20,480 for 1 1/2 years at 12 1/2% per annum compounded half-yearly. Find the interest on the same principal for the same time period and at the same rate but calculated annually. Which interest is greater and by how much? 2.Arka took a loan of R.s.1,60,000 from a finance company to buy a car . If the company charges interest at 20% per annum, compounded quarterly, what amount will discharge his debt after 1 years?