P= Rs. 2000 and R= 3% per annum, find the amount in `(1)/(2)` a year approximately, interest compounded quarterly.

If P=Rs. 6000 and R=5% per annum, find the amount in 1 year interest compounded half yearly.

Find the compound interest on Rs 10000 for 1 year at 20% per annum compounded quarterly.

Find the compound interest on Rs 10000 for 1 year at 20% per annum compounded quarterly.

Find the compound interest on Rs 16000 at 20% per annum for 9 months compounded quarterly.

Find the compound interest on Rs. 2000 at 12% per annum for 9 months compounded quarterly

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