A certain sum amounts to Rs. 5832 in 2 years at 8% compounded interest. Find the sum.

Find the rate at which a sum of money will double itself in 3 years, if the interest is compounded annually.

Find the rate at which a sum of money will become four times the original amount in 2 years, if the interest is compounded half-yearly.

The difference between the compound interest and simple interest on a certain sum for 2 years at 7.5% per annum is Rs. 360. Find the sum.

The difference in simple interest and compound interest on a certain sum of money at 6% per annum for 3 years in Rs. 46. Determine the sum.