A sum of Rs. 2200 is invested at two different rates of interest. The difference between the interests got after 4 years is Rs. 202.40. What is the difference between the rates of interest ?
A sum of Rs. 3200 becomes Rs 3456 in two years at a certain rate of simple interest. What is the rate of interest per annum ?
Ravi borrowed some money at the rate of 4 p.c.p.a. for the first three years, at the rate of 8 p.c.p.a. for the next two years and at the rate of 9 p.c.p.a. for the period beyond 5 years. If he pays a total simple interest of Rs 19,550 at the end of 7 years, how much money did he borrow ?
What total amount would Mithilesh get at the end of three years if he invests an amount of Rs 11,200 in a scheme which offers simple interest at the rate of 8.5 p. c. p. a. for three years ?
The simple interest accrued on a sum of certain principal is Rs 1,200 in four years at the rate of 8 p.c.p.a. What would be the simple interest accrued on thrice of that principal at the rate of 6 p.c.p.a. in 3 years ?
Arun invested a sum of money at a certain rate of simple interest for a period of four years. Had he invested the same sum for a period of six years the total interest earned by him would have been fifty percent more than the earlier interest amount. What was the rate of interest per cent per annum ?
Shamita took a loan at simple interest rate of 6 p.c.p.a in the year and it increased by 1.5 p.c.p.a every year. If she pays Rs. 8,190 as interest at the end of 3 years, what was her loan amount ?
