Compound Interest Worksheet
The method (Year by year): Year 1: add R% of P. Year 2: add R% of the new amount. Carry on for each year. Amount = P × (100 + R)ⁿ ÷ 100ⁿ; compound interest = amount − P. For 2 years, CI − SI = P × R × R ÷ 10000.
NameDateTime takenScore ___ / 40
- 1.Find the amount when ₹9536 is invested at 25% per year compound interest for 3 years (in ₹).
- 2.Find the amount when ₹500 is invested at 10% per year compound interest for 2 years (in ₹).
- 3.Find the compound interest on ₹9375 at 12% per year for 2 years, added every year (in ₹).
- 4.Find the amount when ₹46250 is invested at 4% per year compound interest for 2 years (in ₹).
- 5.Find the compound interest on ₹625 at 4% per year for 2 years, added every year (in ₹).
- 6.Find the amount when ₹17000 is invested at 10% per year compound interest for 3 years (in ₹).
- 7.Find the amount when ₹5600 is invested at 5% per year compound interest for 2 years (in ₹).
- 8.Find the amount when ₹3000 is invested at 10% per year compound interest for 3 years (in ₹).
- 9.Find the compound interest on ₹32000 at 5% per year for 3 years, added every year (in ₹).
- 10.Find the amount when ₹25575 is invested at 20% per year compound interest for 2 years (in ₹).
- 11.Find the compound interest on ₹10400 at 15% per year for 2 years, added every year (in ₹).
- 12.Find the compound interest on ₹31250 at 4% per year for 3 years, added every year (in ₹).
- 13.What is the difference between the compound interest and the simple interest on ₹4500 at 20% per year for 2 years (in ₹)?
- 14.What is the difference between the compound interest and the simple interest on ₹12500 at 12% per year for 2 years (in ₹)?
- 15.Find the compound interest on ₹4375 at 8% per year for 2 years, added every year (in ₹).
- 16.Find the amount when ₹30000 is invested at 15% per year compound interest for 2 years (in ₹).
- 17.Find the amount when ₹15675 is invested at 20% per year compound interest for 2 years (in ₹).
- 18.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
- 19.Find the amount when ₹15900 is invested at 10% per year compound interest for 2 years (in ₹).
- 20.Find the compound interest on ₹12000 at 10% per year for 3 years, added every year (in ₹).
- 21.Find the amount when ₹40000 is invested at 15% per year compound interest for 3 years (in ₹).
- 22.Find the amount when ₹43125 is invested at 12% per year compound interest for 2 years (in ₹).
- 23.Find the amount when ₹16800 is invested at 5% per year compound interest for 2 years (in ₹).
- 24.Find the amount when ₹40000 is invested at 5% per year compound interest for 3 years (in ₹).
- 25.Find the compound interest on ₹26400 at 5% per year for 2 years, added every year (in ₹).
- 26.Find the amount when ₹40500 is invested at 20% per year compound interest for 3 years (in ₹).
- 27.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
- 28.Find the compound interest on ₹3125 at 8% per year for 2 years, added every year (in ₹).
- 29.Find the amount when ₹4900 is invested at 10% per year compound interest for 2 years (in ₹).
- 30.What is the difference between the compound interest and the simple interest on ₹15200 at 5% per year for 2 years (in ₹)?
- 31.Find the amount when ₹42500 is invested at 8% per year compound interest for 2 years (in ₹).
- 32.What is the difference between the compound interest and the simple interest on ₹2000 at 25% per year for 2 years (in ₹)?
- 33.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
- 34.Find the amount when ₹8000 is invested at 5% per year compound interest for 3 years (in ₹).
- 35.Find the amount when ₹368 is invested at 25% per year compound interest for 2 years (in ₹).
- 36.What is the difference between the compound interest and the simple interest on ₹2000 at 5% per year for 2 years (in ₹)?
- 37.Find the amount when ₹6875 is invested at 8% per year compound interest for 2 years (in ₹).
- 38.Find the amount when ₹34400 is invested at 5% per year compound interest for 2 years (in ₹).
- 39.What is the difference between the compound interest and the simple interest on ₹30000 at 12% per year for 2 years (in ₹)?
- 40.Find the amount when ₹20400 is invested at 5% per year compound interest for 2 years (in ₹).
Answer key
- 18625
- 605
- 2385
- 50024
- 51
- 22627
- 6174
- 3993
- 5044
- 36828
- 3354
- 3902
- 180
- 180
- 728
- 39675
- 22572
- 59049
- 19239
- 3972
- 60835
- 54096
- 18522
- 46305
- 2706
- 69984
- 37044
- 520
- 5929
- 38
- 49572
- 125
- 19683
- 9261
- 575
- 5
- 8019
- 37926
- 432
- 22491
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