What is amount when compounded half-yearly

What is amount when compounded quarterly.

What is amount when compounded annually.

Find the compound interest on Rs 15625 for 1(1)/(2) years at 8% per annum when compounded half-yearly.

Compute the compounded interest on Rs 12000 for 2 years at 20% per annum when compounded half-yearly.

Find the compound interest on Rs 48,000 for one year at 8% per annum when compounded half yearly.

What sum will amount to Rs 4913 in 18 months, if the rate of interest is per annum, compounded half-yearly?

Find the rate percent per annum if Rs 2000 amount to Rs 2662 is years, interest being compounded half-yearly?