Harvinder deposited Rs 40,000 in a post office for a period of three years. the office credits the interest yearly in his account at 7% per annum. Find the balance in his account after three years.

On a certain sum of money, the simple interest for 2 years is Rs. 200 at the rate of 7% per annum. Find the difference in CI and SI.

Find the compound interest on Rs 40,000 at 12% per annum for a period of 2 years. (in Rs).

Katrina opened a recurring deposit account with a Nationalised Bank for a period of 2 years. If the bank pays interest at the rate of 6% per annum and the monthly instalment is Rs 1,000, find the : (ii) maturity value.

Sheela deposited Rs 20000 in a bank, where the interest is credited half-yearly. If the rate of interest paid by the bank is 6% per annum, what amount will she get after 1 year?

Find the compound interest on Rs 10,000 in 2 years at 4% per annum,the interest being compounded half yearly.

Katrina opened a recurring deposit account with a Nationalised Bank for a period of 2 years. If the bank pays interest at the rate of 6% per annum and the monthly instalment is Rs 1,000, find the : (i) interest earned in 2 years.