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 ₹15275 is invested at 20% per year compound interest for 2 years (in ₹).
- 2.Find the amount when ₹31250 is invested at 4% per year compound interest for 3 years (in ₹).
- 3.Find the amount when ₹26800 is invested at 15% per year compound interest for 2 years (in ₹).
- 4.Find the compound interest on ₹4000 at 10% per year for 3 years, added every year (in ₹).
- 5.Find the amount when ₹31250 is invested at 8% per year compound interest for 3 years (in ₹).
- 6.What is the difference between the compound interest and the simple interest on ₹24500 at 20% per year for 2 years (in ₹)?
- 7.Find the amount when ₹5968 is invested at 25% per year compound interest for 2 years (in ₹).
- 8.Find the amount when ₹44175 is invested at 20% per year compound interest for 2 years (in ₹).
- 9.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
- 10.Find the compound interest on ₹11000 at 10% per year for 3 years, added every year (in ₹).
- 11.Find the amount when ₹21000 is invested at 10% per year compound interest for 3 years (in ₹).
- 12.Find the compound interest on ₹24000 at 15% per year for 3 years, added every year (in ₹).
- 13.Find the amount when ₹9000 is invested at 10% per year compound interest for 3 years (in ₹).
- 14.Find the compound interest on ₹15625 at 4% per year for 3 years, added every year (in ₹).
- 15.Find the amount when ₹46900 is invested at 10% per year compound interest for 2 years (in ₹).
- 16.Find the compound interest on ₹40400 at 5% per year for 2 years, added every year (in ₹).
- 17.Find the amount when ₹27056 is invested at 25% per year compound interest for 2 years (in ₹).
- 18.Find the amount when ₹5625 is invested at 4% per year compound interest for 2 years (in ₹).
- 19.What is the difference between the compound interest and the simple interest on ₹26400 at 25% per year for 2 years (in ₹)?
- 20.What is the difference between the compound interest and the simple interest on ₹25500 at 20% per year for 2 years (in ₹)?
- 21.Find the compound interest on ₹47000 at 10% per year for 3 years, added every year (in ₹).
- 22.What is the difference between the compound interest and the simple interest on ₹47500 at 4% per year for 2 years (in ₹)?
- 23.Find the compound interest on ₹48000 at 5% per year for 3 years, added every year (in ₹).
- 24.Find the compound interest on ₹48000 at 15% per year for 3 years, added every year (in ₹).
- 25.Find the amount when ₹31250 is invested at 12% per year compound interest for 3 years (in ₹).
- 26.Find the compound interest on ₹15625 at 12% per year for 3 years, added every year (in ₹).
- 27.What is the difference between the compound interest and the simple interest on ₹50000 at 25% per year for 2 years (in ₹)?
- 28.Find the compound interest on ₹4416 at 25% per year for 2 years, added every year (in ₹).
- 29.Find the amount when ₹46875 is invested at 4% per year compound interest for 3 years (in ₹).
- 30.Find the amount when ₹16400 is invested at 5% per year compound interest for 2 years (in ₹).
- 31.Find the amount when ₹24000 is invested at 15% per year compound interest for 3 years (in ₹).
- 32.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
- 33.Find the compound interest on ₹2624 at 25% per year for 3 years, added every year (in ₹).
- 34.Find the compound interest on ₹46000 at 5% per year for 2 years, added every year (in ₹).
- 35.Find the compound interest on ₹24375 at 8% per year for 2 years, added every year (in ₹).
- 36.Find the compound interest on ₹46875 at 12% per year for 3 years, added every year (in ₹).
- 37.What is the difference between the compound interest and the simple interest on ₹19900 at 20% per year for 2 years (in ₹)?
- 38.Find the compound interest on ₹1250 at 4% per year for 2 years, added every year (in ₹).
- 39.What is the difference between the compound interest and the simple interest on ₹9200 at 25% per year for 2 years (in ₹)?
- 40.Find the compound interest on ₹43456 at 25% per year for 3 years, added every year (in ₹).
Answer key
- 21996
- 35152
- 35443
- 1324
- 39366
- 980
- 9325
- 63612
- 59049
- 3641
- 27951
- 12501
- 11979
- 1951
- 56749
- 4141
- 42275
- 6084
- 1650
- 1020
- 15557
- 76
- 7566
- 25002
- 43904
- 6327
- 3125
- 2484
- 52728
- 18081
- 36501
- 37044
- 2501
- 4715
- 4056
- 18981
- 796
- 102
- 575
- 41419
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