What sum will amount to Rs.6593.40 in 2 years at C.I., if the rates are 10 % for the two successive years.

Meenal lends Rs. 75000 at C.I. for 3 years. If the rate of interest for the first two years is 15% per year and for the third year it is 16%. Calculate the sum Meenal will get at the end of the third year.

A borrowed Rs. 2500 from B at 12 % per annum compound interest. After 2 years, A gave Rs. 2936 and a watch to B to clear the account. Find the cost of the watch.

Calculate the compound interest for the second year on Rs. 8000/- invested for 3 years at 10% per annum.

A sum is invested at compound interest compounded yearly. If the interest for two successive years be Rs. 5700 and Rs. 7410, calculate the rate of interest.

Calculate the difference between simple interest and the compound interest on Rs. 4000 in two years at 8% per annum compounded yearly.