Find the compound interest on Rs 320000 for one year at the rate of 20% per annum, if the interest is compounded quarterly.

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

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

Find the compound interest on Rs 64000 for 1 year at the rate of 10% per annum compounded quarterly.

Find the compound interest on Rs 64000 for 1 year at the rate of 10% per annum compounded quarterly.

What will be the compound interest of Rs. 320000 in 1 year at the rate of 20% compound interest per annum when the interest is compounded at the interval of 3 months?

What will be the compound interest of Rs. 12000 in 2 years at the rate of 20% compound interest per annum, when interest is compounded at the interval of 6 months?