Compound Interest
Only available for you
81 The simple interest for certain sum in 2 years at 4% pa is ₹ 80. What will be the compound interest for the same sum, if conditions of rate and time period are same?
82 Sum invested in scheme A, which offers compound interest (compounded annually) at 10% pa, is 50% of that in scheme B, which offers compound interest (compounded annually) at 20% pa. The duration of investment in each of the schemes is 2 years. If the difference between the amounts received from schemes A and B is ₹ 3507, what is the sum invested in scheme B? (in rupees)
83 A sum of money is accumulating at compound interest at a certain rate of interest. If simple interest instead of compound were reckoned, the interest for the first two years would be diminished by ₹ 20 and that for the first three years by ₹ 61. Find the sum.
84 A man borrows X 5100 to be paid back with compound interest at the rate of 4% pa by the end of 2 years in two equal yearly instalments. How much will each instalment be?
85 The compound interest on a sum of money for 2 years is ₹ 832 and the simple interest on the same sum for the same period is ₹ 800. The difference between the compound interest and the simple interest for 3 years at the same rate will be:
86 A man borrows ₹ 12,500 at 20% compound interest. At the end of every year he pays ₹ 2000 as part of repayment. How much does he still owe after three such instalments?
87 Usha purchased a refrigerator on the terms that he is required to pay ₹1,500 as cash down payment followed by ₹1,020 at the end of first year, ₹1,003 at the end of second year and ₹990 at the end of third year. Interest is charged at the rate of 10% per annum. Calculate the cost price:
88 Mr. Amir invested ₹ 15,000 divided into two different schemes A and B at S.I of 5% and 10%. If the total amount of the simple interest earned in 2 years is 2500, What was the amount invested in scheme B.
