A sum amounts to Rs.1352 in 2 years at 4% compound interest. The sum is:

Interest on a certain sum of money for years at 3 3/4% per annum is Rs.210. The sum is:

The simple interest on a certain sum for 3 years at 9 1/2 % p.a amounts to Rs.159.60. The sum is:

A sum of money, put at simple interest, trebles itself in 15 years. The rate percent per annum is:

At simple interest, a sum doubles after 20 years. The rate of interest per annum is:

In how many years will a sum of money double itself at 12% p.a?

A sum of money amounts to Rs.767 in 3 years and Rs.806 in 4 years. The sum is:

The compound interest on a certain sum of money for 2 years at 10% per annum is Rs.420. The simple interest on the same sum at the same rate and same time will be:

The difference between simple interest and the compound interest on Rs.600 for 1 year at 10% per annum, reckoned half yearly is: