The simple interest on a sum of money will be Rs 600 after 10 years. If the principal is trebled after 5 years, what will be the total interest at the end of the tenth year? (a) Rs 600     (b) Rs 900    (c) Rs 1200    (d) Rs 1500   (e) Data inadequate

A sum of money amounts to Rs 10000 after 5 years and Rs 15000 after 8 years at the same rate of simple interest. Find the rate of interest per annum

If the rate increases by 2%, the simple interest received on a sum of money increases by Rs 108. If the time period is increased by 2 years, the simple interest on the same sum increases by Rs 180. The sum is: (a) Rs 1800 (b) Rs 3600 (c) Rs 5400 (d) Data inadequate

Simple interest on a sum of money for 3 years at 4% per annum is Rs600 what will be the compound interest on the sum at the same rate for the same period?

If the simple interest of a certain sum of money for 1 year is Rs. 50 and compound interest for 2 years is Rs. 102, then find the sum of money and the rate of interest.