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 ₹8000 at 8% per year for 4 years? (a) ₹640 (b) ₹3200 (c) ₹10560 (d) ₹2560
- 2.What is the simple interest on ₹5500 at 4% per year for 2 years? (a) ₹440 (b) ₹660 (c) ₹5940 (d) ₹220
- 3.In how many years will ₹5500 earn ₹495 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
- 4.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹300 (b) ₹5200 (c) ₹100 (d) ₹200
- 5.₹5500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹880 (b) ₹6820 (c) ₹5940 (d) ₹6380
- 6.What is the simple interest on ₹6000 at 2% per year for 5 years? (a) ₹6600 (b) ₹720 (c) ₹600 (d) ₹120
- 7.The simple interest on ₹9500 for 2 years is ₹2280. What is the rate per year? (a) 11% (b) 12% (c) 13% (d) 24%
- 8.The simple interest on ₹6500 for 3 years is ₹585. What is the rate per year? (a) 3% (b) 2% (c) 9% (d) 4%
- 9.In how many years will ₹1000 earn ₹120 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
- 10.In how many years will ₹3500 earn ₹1260 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
- 11.In how many years will ₹7000 earn ₹4200 simple interest at 12% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
- 12.The simple interest on ₹2500 for 4 years is ₹200. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 8%
- 13.In how many years will ₹5500 earn ₹1980 simple interest at 12% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
- 14.₹3000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹3720 (b) ₹3960 (c) ₹3240 (d) ₹720
- 15.In how many years will ₹3500 earn ₹630 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
- 16.In how many years will ₹4000 earn ₹960 simple interest at 6% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
- 17.In how many years will ₹2500 earn ₹450 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
- 18.The simple interest on ₹1500 for 4 years is ₹360. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 24%
- 19.In how many years will ₹7500 earn ₹600 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
- 20.In how many years will ₹7500 earn ₹4125 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
- 21.The simple interest on ₹1000 for 2 years is ₹200. What is the rate per year? (a) 9% (b) 11% (c) 20% (d) 10%
- 22.The simple interest on ₹7500 for 4 years is ₹3300. What is the rate per year? (a) 10% (b) 12% (c) 44% (d) 11%
- 23.What is the simple interest on ₹1500 at 10% per year for 2 years? (a) ₹1800 (b) ₹300 (c) ₹450 (d) ₹150
- 24.₹4500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹900 (b) ₹4950 (c) ₹5850 (d) ₹5400
- 25.The simple interest on ₹3000 for 2 years is ₹180. What is the rate per year? (a) 3% (b) 4% (c) 6% (d) 2%
- 26.What is the simple interest on ₹5500 at 6% per year for 4 years? (a) ₹330 (b) ₹1650 (c) ₹6820 (d) ₹1320
- 27.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹45 (b) ₹90 (c) ₹1590 (d) ₹135
- 28.The simple interest on ₹6500 for 4 years is ₹2600. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 40%
- 29.What is the simple interest on ₹5000 at 9% per year for 4 years? (a) ₹6800 (b) ₹450 (c) ₹1800 (d) ₹2250
- 30.₹3000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹240 (b) ₹3300 (c) ₹3240 (d) ₹3060
- 31.What is the simple interest on ₹5000 at 11% per year for 3 years? (a) ₹6650 (b) ₹1650 (c) ₹550 (d) ₹2200
- 32.₹9000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹10980 (b) ₹9990 (c) ₹11970 (d) ₹1980
- 33.₹7500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹10875 (b) ₹8175 (c) ₹3375 (d) ₹11550
- 34.What is the simple interest on ₹5000 at 6% per year for 3 years? (a) ₹900 (b) ₹1200 (c) ₹5900 (d) ₹300
- 35.What is the simple interest on ₹6000 at 10% per year for 5 years? (a) ₹3000 (b) ₹9000 (c) ₹600 (d) ₹3600
- 36.The simple interest on ₹7500 for 2 years is ₹1350. What is the rate per year? (a) 10% (b) 18% (c) 8% (d) 9%
- 37.In how many years will ₹8500 earn ₹1275 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
- 38.The simple interest on ₹1500 for 2 years is ₹60. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
- 39.₹10000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹11200 (b) ₹1200 (c) ₹10300 (d) ₹11500
- 40.What is the simple interest on ₹5500 at 7% per year for 4 years? (a) ₹385 (b) ₹1540 (c) ₹7040 (d) ₹1925
Answer key
- ₹2560
- ₹440
- 3 years
- ₹200
- ₹6380
- ₹600
- 12%
- 3%
- 2 years
- 3 years
- 5 years
- 2%
- 3 years
- ₹3720
- 2 years
- 4 years
- 2 years
- 6%
- 2 years
- 5 years
- 10%
- 11%
- ₹300
- ₹5400
- 3%
- ₹1320
- ₹90
- 10%
- ₹1800
- ₹3240
- ₹1650
- ₹10980
- ₹10875
- ₹900
- ₹3000
- 9%
- 5 years
- 2%
- ₹11200
- ₹1540
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