Arif took a loan of Rs. 80,000 from a bank. If the rate of interest is 10% p. a., find the difference in amounts he would be paying after 11/2 years if the interest is

(i) compounded annually and

(ii) compounded half - yearly.

Find the Principle that will yield a compound interest of Rs. 1,632 in 2 years at 4% rate of interest per annum.

Vicky borrowed Rs. 26,400 from a bank to buy a scooter at the rate of 15% p.a. compounded yearly. What amount will he pay at the end of 2 years and 4 months to clear the loan?

Find the difference between simple interest and compound interest on Rs. 2,400 at 2 years at 5% per annum compounded annually.

Find the difference between simple interest and compound interest on Rs. 6,400 for 2 years at 6 1/4% p. a. compounded annually.