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.₹4000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹640 (b) ₹4640 (c) ₹4160 (d) ₹4800
- 2.What is the simple interest on ₹5500 at 8% per year for 3 years? (a) ₹1320 (b) ₹6820 (c) ₹440 (d) ₹1760
- 3.In how many years will ₹6000 earn ₹900 simple interest at 3% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
- 4.₹9500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1900 (b) ₹12350 (c) ₹11400 (d) ₹10450
- 5.In how many years will ₹7000 earn ₹2310 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
- 6.₹8000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹11840 (b) ₹11200 (c) ₹3200 (d) ₹8640
- 7.What is the simple interest on ₹2500 at 11% per year for 2 years? (a) ₹825 (b) ₹550 (c) ₹3050 (d) ₹275
- 8.In how many years will ₹10000 earn ₹2700 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
- 9.The simple interest on ₹8500 for 5 years is ₹1700. What is the rate per year? (a) 20% (b) 3% (c) 5% (d) 4%
- 10.₹1000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1150 (b) ₹150 (c) ₹1200 (d) ₹1050
- 11.In how many years will ₹2500 earn ₹500 simple interest at 4% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
- 12.What is the simple interest on ₹7500 at 6% per year for 3 years? (a) ₹1800 (b) ₹8850 (c) ₹1350 (d) ₹450
- 13.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹75 (b) ₹150 (c) ₹225 (d) ₹2650
- 14.₹1500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1905 (b) ₹1635 (c) ₹270 (d) ₹1770
- 15.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1860 (b) ₹1560 (c) ₹1800 (d) ₹300
- 16.The simple interest on ₹1500 for 2 years is ₹240. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
- 17.₹3000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹360 (b) ₹3540 (c) ₹3180 (d) ₹3360
- 18.What is the simple interest on ₹4000 at 3% per year for 5 years? (a) ₹600 (b) ₹4600 (c) ₹720 (d) ₹120
- 19.In how many years will ₹7500 earn ₹3600 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
- 20.In how many years will ₹4000 earn ₹1600 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
- 21.In how many years will ₹5000 earn ₹400 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
- 22.The simple interest on ₹7500 for 3 years is ₹675. What is the rate per year? (a) 9% (b) 3% (c) 4% (d) 2%
- 23.What is the simple interest on ₹9000 at 8% per year for 2 years? (a) ₹720 (b) ₹1440 (c) ₹10440 (d) ₹2160
- 24.₹7500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹10500 (b) ₹8250 (c) ₹9750 (d) ₹2250
- 25.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3090 (b) ₹180 (c) ₹3180 (d) ₹3270
- 26.₹10000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10300 (b) ₹10600 (c) ₹600 (d) ₹10900
- 27.₹1500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1920 (b) ₹1605 (c) ₹315 (d) ₹1815
- 28.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 8% (b) 4% (c) 3% (d) 5%
- 29.₹9000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹9180 (b) ₹900 (c) ₹9900 (d) ₹10080
- 30.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹1560 (b) ₹30 (c) ₹60 (d) ₹90
- 31.What is the simple interest on ₹8500 at 2% per year for 4 years? (a) ₹680 (b) ₹170 (c) ₹850 (d) ₹9180
- 32.The simple interest on ₹6500 for 5 years is ₹3250. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 50%
- 33.The simple interest on ₹7500 for 2 years is ₹1350. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 18%
- 34.What is the simple interest on ₹9500 at 2% per year for 3 years? (a) ₹760 (b) ₹190 (c) ₹10070 (d) ₹570
- 35.What is the simple interest on ₹4000 at 9% per year for 4 years? (a) ₹360 (b) ₹1800 (c) ₹1440 (d) ₹5440
- 36.What is the simple interest on ₹2000 at 12% per year for 5 years? (a) ₹3200 (b) ₹240 (c) ₹1200 (d) ₹1440
- 37.₹1500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1590 (b) ₹2040 (c) ₹1950 (d) ₹450
- 38.₹6000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹6900 (b) ₹7080 (c) ₹6180 (d) ₹900
- 39.What is the simple interest on ₹3500 at 12% per year for 3 years? (a) ₹1680 (b) ₹1260 (c) ₹4760 (d) ₹420
- 40.In how many years will ₹3000 earn ₹180 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
Answer key
- ₹4640
- ₹1320
- 5 years
- ₹11400
- 3 years
- ₹11200
- ₹550
- 3 years
- 4%
- ₹1150
- 5 years
- ₹1350
- ₹150
- ₹1770
- ₹1800
- 8%
- ₹3360
- ₹600
- 4 years
- 5 years
- 2 years
- 3%
- ₹1440
- ₹9750
- ₹3180
- ₹10600
- ₹1815
- 4%
- ₹9900
- ₹60
- ₹680
- 10%
- 9%
- ₹570
- ₹1440
- ₹1200
- ₹1950
- ₹6900
- ₹1260
- 2 years
Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad