26) What is the difference between the simple and the compound interest amount at 5% per annum for 2 years on a principal of Rs.20000/-?

27) What is the maturity amount if Rs.20000 is deposited at 5% compound interest per annum for 2 years?

28) What is the compound interest on a principal of Rs.25000/- after 3 years at the rate of 12% per annum?