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 ₹5125 is invested at 20% per year compound interest for 3 years (in ₹).
- 2.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
- 3.Find the compound interest on ₹18500 at 10% per year for 2 years, added every year (in ₹).
- 4.Find the compound interest on ₹42600 at 10% per year for 2 years, added every year (in ₹).
- 5.Find the amount when ₹896 is invested at 25% per year compound interest for 3 years (in ₹).
- 6.Find the amount when ₹31250 is invested at 12% per year compound interest for 3 years (in ₹).
- 7.Find the amount when ₹48000 is invested at 5% per year compound interest for 3 years (in ₹).
- 8.Find the amount when ₹18000 is invested at 10% per year compound interest for 2 years (in ₹).
- 9.What is the difference between the compound interest and the simple interest on ₹4400 at 5% per year for 2 years (in ₹)?
- 10.Find the amount when ₹21500 is invested at 20% per year compound interest for 3 years (in ₹).
- 11.What is the difference between the compound interest and the simple interest on ₹25900 at 10% per year for 2 years (in ₹)?
- 12.What is the difference between the compound interest and the simple interest on ₹37200 at 5% per year for 2 years (in ₹)?
- 13.Find the compound interest on ₹37000 at 20% per year for 3 years, added every year (in ₹).
- 14.What is the difference between the compound interest and the simple interest on ₹25000 at 4% per year for 2 years (in ₹)?
- 15.What is the difference between the compound interest and the simple interest on ₹33100 at 10% per year for 2 years (in ₹)?
- 16.Find the amount when ₹7200 is invested at 15% per year compound interest for 2 years (in ₹).
- 17.Find the compound interest on ₹15625 at 8% per year for 3 years, added every year (in ₹).
- 18.Find the compound interest on ₹47000 at 10% per year for 3 years, added every year (in ₹).
- 19.Find the amount when ₹31875 is invested at 4% per year compound interest for 2 years (in ₹).
- 20.Find the compound interest on ₹47875 at 20% per year for 3 years, added every year (in ₹).
- 21.Find the amount when ₹15600 is invested at 15% per year compound interest for 2 years (in ₹).
- 22.What is the difference between the compound interest and the simple interest on ₹28400 at 25% per year for 2 years (in ₹)?
- 23.What is the difference between the compound interest and the simple interest on ₹50000 at 8% per year for 2 years (in ₹)?
- 24.What is the difference between the compound interest and the simple interest on ₹12400 at 5% per year for 2 years (in ₹)?
- 25.Find the amount when ₹32000 is invested at 20% per year compound interest for 3 years (in ₹).
- 26.Find the compound interest on ₹46400 at 15% per year for 2 years, added every year (in ₹).
- 27.Find the compound interest on ₹42576 at 25% per year for 2 years, added every year (in ₹).
- 28.Find the amount when ₹31250 is invested at 8% per year compound interest for 3 years (in ₹).
- 29.Find the amount when ₹4400 is invested at 5% per year compound interest for 2 years (in ₹).
- 30.Find the amount when ₹16000 is invested at 5% per year compound interest for 3 years (in ₹).
- 31.Find the amount when ₹42450 is invested at 20% per year compound interest for 2 years (in ₹).
- 32.Find the compound interest on ₹45000 at 12% per year for 2 years, added every year (in ₹).
- 33.Find the amount when ₹2800 is invested at 5% per year compound interest for 2 years (in ₹).
- 34.Find the amount when ₹15625 is invested at 12% per year compound interest for 3 years (in ₹).
- 35.Find the compound interest on ₹16250 at 12% per year for 2 years, added every year (in ₹).
- 36.Find the amount when ₹10800 is invested at 15% per year compound interest for 2 years (in ₹).
- 37.What is the difference between the compound interest and the simple interest on ₹25100 at 10% per year for 2 years (in ₹)?
- 38.Find the amount when ₹2500 is invested at 8% per year compound interest for 2 years (in ₹).
- 39.Find the compound interest on ₹11000 at 10% per year for 3 years, added every year (in ₹).
- 40.Find the amount when ₹16250 is invested at 4% per year compound interest for 2 years (in ₹).
Answer key
- 8856
- 19683
- 3885
- 8946
- 1750
- 43904
- 55566
- 21780
- 11
- 37152
- 259
- 93
- 26936
- 40
- 331
- 9522
- 4058
- 15557
- 34476
- 34853
- 20631
- 1775
- 320
- 31
- 55296
- 14964
- 23949
- 39366
- 4851
- 18522
- 61128
- 11448
- 3087
- 21952
- 4134
- 14283
- 251
- 2916
- 3641
- 17576
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