A person deposited ₹15,600 in a fixed deposit at 10% per annum simple interest. After every second year he adds his interest earned to the principal. The interest at the end of 4 years is:

If a sum of Rs. 12500 is invested for 1 year at 12% per annum interest being compounded semi-annually, then interest earned is

A sum of money lent at simple interest amounts to ₹ 880 in 2 years and to ₹ 920 in 3 years. The sum of money (in rupees) is

In what time will the annual simple interest rate at $$ {6{1\over4}{\%}}$$ , 72 rupees becomes 81 rupees?

A lends 2500 to B and a certain sum to C at the same time at 7% annual simple interest. If after 4 years, A altogether receives 1120 as interest from B and C, the sum lent to C is-

A sum of money doubles itself in 7 years at simple interest. In how much time will it become 5 times of itself?

A property fetches a net annual income of ₹1000 deducting all outgoings. The capitalized value of the property for the rate of interest 6% will be (in ₹) -

The simple interest on an amount at the rate of 7 percent for five years is Rs 700. So how much is the principal?