Friday, 14 April 2017

COMPOUND INTEREST WORKSHEET
1. A sum is invested at compound interest compounded yearly. If the interests for two successive years be Rs. 570 and Rs. 741; calculate the rate of interest.
2. Mohit invests Rs. 8,000 for 3 years at a certain rate of interest, compounded annually. At the end of one year it amounts to Rs. 9, 440. Calculate i) the rate of interest per annum ii) the amount at the end of second year iii) the interest accrued in third year.
3. A certain sum amounts to Rs. 5,292 in two years and Rs. 5,556.60 in three years, interest being compounded annually. Find: i) the rate of interest. ii) the original sum
4. The simple interest on a certain sum computes to Rs. 256 in 2 years, whereas, the compound interest on the same sum at the same rate and for the same time computes to Rs. 276.48. Find the rate percent and the sum.
5. The interest charged on a certain sum is Rs. 720 for one year and Rs. 1 ,497.60 for two years. Find, whether the interest is simple or compound. Also, calculate the rate percent and the sum.
6. A sum of money placed out at compound interest amounts to Rs. 20,160 in 3 years and Rs. 24,192 in 4 years. Calculate: i) the rate of interest. ii) Amount in 2 years iii) amount in 5 years.
7. A sum of Rs. 24,000 is lent for 2 years at compound interest, the rate of interest being 10% for the first year and 12% for the second year. The borrower returns some money at the end of the first year and on paying Rs. 12,768 at the end of the second year the total debt is cleared. Calculate the amount of money returned at the end of the first year.
8. The cost of a machine depreciated by Rs. 4,752 during the second year and by Rs. 4,181.76 during the third year. Calculate: i) the rate of depreciation; ii) the original cost; iii) the cost at the end of the third year.
9. A certain sum money is put at compound interest compounded half-yearly. If the interests for two successive half-years’ amount to Rs. 650 and Rs. 760.50; find the rate of interest.
10. Calculate the amount and the compound interest on: i) Rs. 12,000 for 2 years at 5% per annum compounded annually. ii) for 1% years at 10% per annum compounded half-yearly.

For more free worksheets on Compound Interest for 10th ICSE, visit ICSEpapers.com

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