A sum of money lent at compound interest for 2 years at 20% per annum would earn ₹482 more, if the interest was payable half yearly than if it was payable annually. The sum is

Find the least number of complete years in which a sum of money put out at the rate of 20% per annum compound interest will be more than double.

Compound interest on ₹2,000 for one year at 10% p.a., compounded half-yearly is

Compound interest on ₹15,000 at 4% p.a. for 3 years compounded annually is

A sum of ₹16,800 was taken as a loan. This is to be paid in two equal instalments. If the rate of interest is 10% per annum compounded annually, then the value of each instalment (in ₹) is

A sum of money doubles itself in 15 years at compound interest. In how many years it will become 8 times at the same compound interest rate?