What is the total amount of simple interest on TK. 6000 for 2 years at 5% per annum?

If a principal amount of TK. 4000 earns TK. 1600 as interest in 5 years, what is the rate of interest per annum?

If a certain amount of money amounts to TK. 2000 in 5 years at 10% per annum, what is the principal amount?

Find the time n for TK. 1000 to become TK. 1300 at a rate of 5%.

If the principal is TK. 3000 and the interest is TK. 600 over 2 years, what is the rate of interest per annum?

If TK. 1000 earns TK. 200 as simple interest in 4 years, what is the rate of interest per annum?

If a sum of TK. 4500 amounts to TK. 5400 in 3 years at simple interest, what is the rate of interest?

If the amount of TK. 5000 becomes TK. 6000 in 4 years at simple interest, what is the amount of simple interest?

Mr. John deposited TK. 40,000 in a bank and earned simple interest at 7% per annum for two years. Calculate the interest earned at the end of the period.

A man wishes to invest TK. 1200. He can invest in a math club, which pays simple interest of 8% for 3 years. What is the amount in his account after 3 years?