Arithmetic Questions And Answers :: Simple Interest: part1

16.If Rs. 64 amount to Rs. 83.20 in 2 year, what will Rs. 86 amount to in 4 years at the same rate per cent per annum?

17.A sum of Rs. 2540 is lent out into two parts, one at 12% and another one at 12 %. If the total annual income is Rs. 311.60, he money lent at 12% is:

18.A money leader finds that due to a fall in the rate of interest from 13% to 12 % his yearly income diminishes by Rs. 104. His capital is:

19.A lent Rs. 600 to B for 2 years and Rs. 150 to C for 4 years and received altogether from both Rs. 90 as simple interest. The rate of interest is: