Find the compound interest on Rs. 160000 for one year at the rate of 20% per annum, if the interest is compounded quarterly.

Rohit deposited Rs. 8000 with a finance company for 3 years at an interest of 15% per annum. What is the compound interest that Rohit gets after 3 years?

Find the compound interest on Rs. 1000 at the rate of 8% per annum for 1 years when interest is compounded half yearly.

Swati took a loan of Rs. 16000 against her insurance policy at the rate of 12% per annum. Calculate the total compound interest payable by Swati after 3 years.

Roma borrowed Rs. 64000 from a bank for 1years at the rate of 10% per annum. Compare the total compound interest payable by Roma after 1years, if the interest is compounded half-yearly.