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 7% per year simple interest. What is the amount after 2 years? (a) ₹4560 (b) ₹4280 (c) ₹560 (d) ₹4840
- 2.In how many years will ₹1000 earn ₹210 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
- 3.What is the simple interest on ₹3000 at 11% per year for 2 years? (a) ₹990 (b) ₹330 (c) ₹660 (d) ₹3660
- 4.₹9000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹9540 (b) ₹12240 (c) ₹11700 (d) ₹2700
- 5.What is the simple interest on ₹7000 at 10% per year for 2 years? (a) ₹2100 (b) ₹700 (c) ₹8400 (d) ₹1400
- 6.What is the simple interest on ₹5000 at 3% per year for 3 years? (a) ₹5450 (b) ₹150 (c) ₹450 (d) ₹600
- 7.The simple interest on ₹7000 for 3 years is ₹1470. What is the rate per year? (a) 6% (b) 7% (c) 21% (d) 8%
- 8.The simple interest on ₹5500 for 5 years is ₹3025. What is the rate per year? (a) 10% (b) 12% (c) 55% (d) 11%
- 9.What is the simple interest on ₹2000 at 3% per year for 2 years? (a) ₹180 (b) ₹2120 (c) ₹120 (d) ₹60
- 10.In how many years will ₹2000 earn ₹240 simple interest at 3% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
- 11.The simple interest on ₹9000 for 4 years is ₹1080. What is the rate per year? (a) 4% (b) 12% (c) 2% (d) 3%
- 12.₹5000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1500 (b) ₹5500 (c) ₹7000 (d) ₹6500
- 13.What is the simple interest on ₹5500 at 9% per year for 5 years? (a) ₹2970 (b) ₹495 (c) ₹7975 (d) ₹2475
- 14.What is the simple interest on ₹7000 at 3% per year for 2 years? (a) ₹210 (b) ₹420 (c) ₹7420 (d) ₹630
- 15.In how many years will ₹8000 earn ₹640 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
- 16.The simple interest on ₹10000 for 2 years is ₹2400. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 24%
- 17.What is the simple interest on ₹9500 at 5% per year for 4 years? (a) ₹2375 (b) ₹475 (c) ₹11400 (d) ₹1900
- 18.The simple interest on ₹8000 for 5 years is ₹3600. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 45%
- 19.The simple interest on ₹9500 for 5 years is ₹3800. What is the rate per year? (a) 7% (b) 40% (c) 9% (d) 8%
- 20.What is the simple interest on ₹2000 at 9% per year for 2 years? (a) ₹360 (b) ₹2360 (c) ₹540 (d) ₹180
- 21.What is the simple interest on ₹9500 at 11% per year for 3 years? (a) ₹4180 (b) ₹12635 (c) ₹1045 (d) ₹3135
- 22.What is the simple interest on ₹1500 at 6% per year for 4 years? (a) ₹360 (b) ₹90 (c) ₹1860 (d) ₹450
- 23.In how many years will ₹3500 earn ₹1575 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
- 24.The simple interest on ₹7500 for 3 years is ₹900. What is the rate per year? (a) 12% (b) 3% (c) 5% (d) 4%
- 25.What is the simple interest on ₹4000 at 10% per year for 3 years? (a) ₹1200 (b) ₹5200 (c) ₹400 (d) ₹1600
- 26.The simple interest on ₹1000 for 5 years is ₹450. What is the rate per year? (a) 9% (b) 10% (c) 8% (d) 45%
- 27.In how many years will ₹7500 earn ₹3600 simple interest at 12% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
- 28.What is the simple interest on ₹1500 at 5% per year for 5 years? (a) ₹450 (b) ₹375 (c) ₹75 (d) ₹1875
- 29.₹8000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹9200 (b) ₹8400 (c) ₹9600 (d) ₹1200
- 30.What is the simple interest on ₹1500 at 10% per year for 5 years? (a) ₹750 (b) ₹2250 (c) ₹900 (d) ₹150
- 31.The simple interest on ₹7000 for 5 years is ₹700. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 10%
- 32.What is the simple interest on ₹4500 at 9% per year for 3 years? (a) ₹5715 (b) ₹405 (c) ₹1620 (d) ₹1215
- 33.What is the simple interest on ₹6500 at 3% per year for 3 years? (a) ₹7085 (b) ₹195 (c) ₹780 (d) ₹585
- 34.The simple interest on ₹8000 for 4 years is ₹3200. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 40%
- 35.What is the simple interest on ₹7000 at 6% per year for 3 years? (a) ₹8260 (b) ₹1680 (c) ₹420 (d) ₹1260
- 36.₹2000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2900 (b) ₹2720 (c) ₹2180 (d) ₹720
- 37.What is the simple interest on ₹7500 at 11% per year for 4 years? (a) ₹4125 (b) ₹825 (c) ₹3300 (d) ₹10800
- 38.What is the simple interest on ₹1000 at 2% per year for 2 years? (a) ₹1040 (b) ₹40 (c) ₹60 (d) ₹20
- 39.What is the simple interest on ₹5000 at 9% per year for 3 years? (a) ₹1350 (b) ₹450 (c) ₹1800 (d) ₹6350
- 40.₹8500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹9435 (b) ₹10370 (c) ₹11305 (d) ₹1870
Answer key
- ₹4560
- 3 years
- ₹660
- ₹11700
- ₹1400
- ₹450
- 7%
- 11%
- ₹120
- 4 years
- 3%
- ₹6500
- ₹2475
- ₹420
- 4 years
- 12%
- ₹1900
- 9%
- 8%
- ₹360
- ₹3135
- ₹360
- 5 years
- 4%
- ₹1200
- 9%
- 4 years
- ₹375
- ₹9200
- ₹750
- 2%
- ₹1215
- ₹585
- 10%
- ₹1260
- ₹2720
- ₹3300
- ₹40
- ₹1350
- ₹10370
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