Arithmetic Questions And Answers :: Compound Interest: part3

11.A sum of money becomes Rs.6690 after three years and Rs. 10,035 after six years on compound interest. The sum is:

12.A sum amounts to Rs. 2916 in 2 years and to Rs. 3149.28 in 3 years at compound interest. The sum is:

13.The least number of complete years in which a sum of money put and at 20% C.I. will be more than doubles is:

14.A sum of money placed of C.T. doubles itself in 5 years. It will amount to eight times itself in:

15.If the compound interest on a certain sum for 2 years at 12.5% per annum is RS. 170, the simple interest is: