Arithmetic Questions And Answers :: Simple Interest: part1

6.A sun of money, put at simple interest trebles itself in 15 years. The rate percent per annum is:

7.A sum of money amouns to Rs. 850 in 3 years and Rs. 925 in 4 years. The sum is:

8.Simple interest on a certain sum at a certain rate is of the sum. It the number representing rate per cent and time in years be equal, then the time is:

9.A certain sum of money at simple interest amounts of Rs. 1260 in 2 years and to Rs. 1350 in 5 years. The rate percent per annum is:

10.The simple interest on a sum of money is of the principal and the number of years is equal to the rate per cent per annum. The rate percent per annum is: