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.
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- 1.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
- 2.Find the compound interest on ₹48900 at 10% per year for 2 years, added every year (in ₹).
- 3.Find the compound interest on ₹13125 at 4% per year for 2 years, added every year (in ₹).
- 4.Find the compound interest on ₹26000 at 15% per year for 2 years, added every year (in ₹).
- 5.What is the difference between the compound interest and the simple interest on ₹7000 at 20% per year for 2 years (in ₹)?
- 6.What is the difference between the compound interest and the simple interest on ₹14900 at 10% per year for 2 years (in ₹)?
- 7.What is the difference between the compound interest and the simple interest on ₹17500 at 12% per year for 2 years (in ₹)?
- 8.Find the amount when ₹8000 is invested at 5% per year compound interest for 3 years (in ₹).
- 9.What is the difference between the compound interest and the simple interest on ₹1400 at 10% per year for 2 years (in ₹)?
- 10.Find the amount when ₹40000 is invested at 12% per year compound interest for 2 years (in ₹).
- 11.Find the amount when ₹23875 is invested at 20% per year compound interest for 3 years (in ₹).
- 12.What is the difference between the compound interest and the simple interest on ₹36400 at 5% per year for 2 years (in ₹)?
- 13.Find the amount when ₹31875 is invested at 12% per year compound interest for 2 years (in ₹).
- 14.Find the amount when ₹39800 is invested at 10% per year compound interest for 2 years (in ₹).
- 15.Find the compound interest on ₹5824 at 25% per year for 3 years, added every year (in ₹).
- 16.Find the amount when ₹44200 is invested at 10% per year compound interest for 2 years (in ₹).
- 17.What is the difference between the compound interest and the simple interest on ₹26700 at 20% per year for 2 years (in ₹)?
- 18.What is the difference between the compound interest and the simple interest on ₹400 at 5% per year for 2 years (in ₹)?
- 19.What is the difference between the compound interest and the simple interest on ₹7500 at 12% per year for 2 years (in ₹)?
- 20.Find the compound interest on ₹800 at 15% per year for 2 years, added every year (in ₹).
- 21.Find the amount when ₹19375 is invested at 4% per year compound interest for 2 years (in ₹).
- 22.Find the compound interest on ₹49024 at 25% per year for 3 years, added every year (in ₹).
- 23.Find the amount when ₹38000 is invested at 10% per year compound interest for 2 years (in ₹).
- 24.Find the amount when ₹1072 is invested at 25% per year compound interest for 2 years (in ₹).
- 25.What is the difference between the compound interest and the simple interest on ₹35000 at 4% per year for 2 years (in ₹)?
- 26.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
- 27.Find the compound interest on ₹24800 at 15% per year for 2 years, added every year (in ₹).
- 28.Find the compound interest on ₹18600 at 10% per year for 2 years, added every year (in ₹).
- 29.Find the amount when ₹8000 is invested at 15% per year compound interest for 3 years (in ₹).
- 30.What is the difference between the compound interest and the simple interest on ₹23900 at 20% per year for 2 years (in ₹)?
- 31.Find the amount when ₹46875 is invested at 4% per year compound interest for 3 years (in ₹).
- 32.What is the difference between the compound interest and the simple interest on ₹34400 at 25% per year for 2 years (in ₹)?
- 33.Find the amount when ₹35000 is invested at 10% per year compound interest for 3 years (in ₹).
- 34.Find the amount when ₹36750 is invested at 20% per year compound interest for 2 years (in ₹).
- 35.Find the amount when ₹20800 is invested at 5% per year compound interest for 2 years (in ₹).
- 36.Find the amount when ₹800 is invested at 5% per year compound interest for 2 years (in ₹).
- 37.What is the difference between the compound interest and the simple interest on ₹37400 at 20% per year for 2 years (in ₹)?
- 38.Find the amount when ₹9750 is invested at 20% per year compound interest for 3 years (in ₹).
- 39.Find the amount when ₹10000 is invested at 8% per year compound interest for 2 years (in ₹).
- 40.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
Answer key
- 19683
- 10269
- 1071
- 8385
- 280
- 149
- 252
- 9261
- 14
- 50176
- 41256
- 91
- 39984
- 48158
- 5551
- 53482
- 1068
- 1
- 108
- 258
- 20956
- 46726
- 45980
- 1675
- 56
- 59049
- 7998
- 3906
- 12167
- 956
- 52728
- 2150
- 46585
- 52920
- 22932
- 882
- 1496
- 16848
- 11664
- 17576
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