Simple Interest Worksheet for Maths Olympiad
How to solve it (P × R × T ÷ 100): Simple interest = P × R × T ÷ 100 (P = principal, R = rate % per year, T = years). Amount = principal + interest. Rate = SI × 100 ÷ (P × T); time = SI × 100 ÷ (P × R).
NameDateTime takenScore ___ / 40
- 1.What is the simple interest on ₹6500 at 2% per year for 2 years? (a) ₹6760 (b) ₹390 (c) ₹260 (d) ₹130
- 2.In how many years will ₹8500 earn ₹2550 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
- 3.₹9500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹12635 (b) ₹10545 (c) ₹13680 (d) ₹3135
- 4.The simple interest on ₹8500 for 4 years is ₹1360. What is the rate per year? (a) 5% (b) 4% (c) 16% (d) 3%
- 5.In how many years will ₹2500 earn ₹300 simple interest at 6% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
- 6.What is the simple interest on ₹7000 at 4% per year for 2 years? (a) ₹7560 (b) ₹840 (c) ₹560 (d) ₹280
- 7.In how many years will ₹7500 earn ₹1800 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
- 8.In how many years will ₹1000 earn ₹450 simple interest at 9% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
- 9.What is the simple interest on ₹2000 at 2% per year for 3 years? (a) ₹120 (b) ₹40 (c) ₹160 (d) ₹2120
- 10.The simple interest on ₹6000 for 3 years is ₹1800. What is the rate per year? (a) 30% (b) 9% (c) 10% (d) 11%
- 11.What is the simple interest on ₹4000 at 3% per year for 3 years? (a) ₹360 (b) ₹120 (c) ₹480 (d) ₹4360
- 12.₹8000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹8320 (b) ₹8960 (c) ₹8640 (d) ₹640
- 13.What is the simple interest on ₹4500 at 6% per year for 5 years? (a) ₹1350 (b) ₹270 (c) ₹1620 (d) ₹5850
- 14.₹8500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹13600 (b) ₹4250 (c) ₹12750 (d) ₹9350
- 15.₹6000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2160 (b) ₹8880 (c) ₹8160 (d) ₹6720
- 16.The simple interest on ₹2500 for 4 years is ₹1000. What is the rate per year? (a) 11% (b) 40% (c) 10% (d) 9%
- 17.The simple interest on ₹8000 for 2 years is ₹960. What is the rate per year? (a) 12% (b) 7% (c) 6% (d) 5%
- 18.In how many years will ₹6000 earn ₹1920 simple interest at 8% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
- 19.In how many years will ₹2000 earn ₹160 simple interest at 4% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
- 20.In how many years will ₹8000 earn ₹3600 simple interest at 9% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
- 21.The simple interest on ₹1000 for 2 years is ₹200. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 20%
- 22.In how many years will ₹3500 earn ₹735 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
- 23.What is the simple interest on ₹9000 at 2% per year for 5 years? (a) ₹1080 (b) ₹900 (c) ₹180 (d) ₹9900
- 24.The simple interest on ₹4000 for 2 years is ₹160. What is the rate per year? (a) 2% (b) 4% (c) 1% (d) 3%
- 25.In how many years will ₹10000 earn ₹1200 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
- 26.The simple interest on ₹2500 for 3 years is ₹675. What is the rate per year? (a) 9% (b) 8% (c) 27% (d) 10%
- 27.In how many years will ₹6500 earn ₹1300 simple interest at 10% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
- 28.₹4500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹4770 (b) ₹810 (c) ₹5310 (d) ₹5580
- 29.What is the simple interest on ₹4500 at 2% per year for 5 years? (a) ₹450 (b) ₹4950 (c) ₹90 (d) ₹540
- 30.What is the simple interest on ₹7500 at 4% per year for 3 years? (a) ₹300 (b) ₹8400 (c) ₹900 (d) ₹1200
- 31.The simple interest on ₹4000 for 2 years is ₹560. What is the rate per year? (a) 7% (b) 6% (c) 14% (d) 8%
- 32.₹8000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹8480 (b) ₹8720 (c) ₹480 (d) ₹8240
- 33.The simple interest on ₹4500 for 4 years is ₹360. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 8%
- 34.The simple interest on ₹6000 for 5 years is ₹1200. What is the rate per year? (a) 4% (b) 5% (c) 20% (d) 3%
- 35.What is the simple interest on ₹5000 at 6% per year for 3 years? (a) ₹300 (b) ₹5900 (c) ₹900 (d) ₹1200
- 36.The simple interest on ₹2000 for 4 years is ₹640. What is the rate per year? (a) 8% (b) 32% (c) 9% (d) 7%
- 37.The simple interest on ₹3500 for 5 years is ₹1400. What is the rate per year? (a) 9% (b) 40% (c) 7% (d) 8%
- 38.₹1500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹1650 (c) ₹1950 (d) ₹1800
- 39.The simple interest on ₹3000 for 4 years is ₹1200. What is the rate per year? (a) 9% (b) 40% (c) 11% (d) 10%
- 40.₹9500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹11780 (b) ₹11020 (c) ₹1520 (d) ₹10260
Answer key
- ₹260
- 3 years
- ₹12635
- 4%
- 2 years
- ₹560
- 2 years
- 5 years
- ₹120
- 10%
- ₹360
- ₹8640
- ₹1350
- ₹12750
- ₹8160
- 10%
- 6%
- 4 years
- 2 years
- 5 years
- 10%
- 3 years
- ₹900
- 2%
- 3 years
- 9%
- 2 years
- ₹5310
- ₹450
- ₹900
- 7%
- ₹8480
- 2%
- 4%
- ₹900
- 8%
- 8%
- ₹1800
- 10%
- ₹11020
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