Find the compound interest on ₹19,375 in 1 year at 8% per annum, the interest being compounded half-yearly.
₹1,581
\(CI=19375[(1.04)^2-1]=1581\)
A sum of ₹10,000 amounts to ₹12,321 in 2 years at a certain rate of interest per annum, compounded annually. The rate of interest per annum is:
If the interest earned during the $2^{nd}$ year on a certain sum is ₹3,342, and the rate of interest is 20% per annum compounded annually, then the sum is: