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 ₹3500 at 4% per year for 4 years? (a) ₹700 (b) ₹560 (c) ₹4060 (d) ₹140
- 2.In how many years will ₹9500 earn ₹2280 simple interest at 6% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
- 3.What is the simple interest on ₹4500 at 3% per year for 3 years? (a) ₹540 (b) ₹135 (c) ₹4905 (d) ₹405
- 4.₹1000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹220 (b) ₹1220 (c) ₹1330 (d) ₹1110
- 5.In how many years will ₹8500 earn ₹1020 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
- 6.The simple interest on ₹7000 for 2 years is ₹420. What is the rate per year? (a) 3% (b) 2% (c) 6% (d) 4%
- 7.₹7000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3080 (b) ₹10850 (c) ₹10080 (d) ₹7770
- 8.In how many years will ₹5000 earn ₹700 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
- 9.In how many years will ₹2500 earn ₹1100 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
- 10.What is the simple interest on ₹6000 at 8% per year for 2 years? (a) ₹480 (b) ₹1440 (c) ₹6960 (d) ₹960
- 11.₹7000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹9450 (b) ₹2450 (c) ₹9940 (d) ₹7490
- 12.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹50 (b) ₹150 (c) ₹1100 (d) ₹100
- 13.The simple interest on ₹9500 for 4 years is ₹760. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 8%
- 14.In how many years will ₹7500 earn ₹750 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
- 15.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1275 (b) ₹9775 (c) ₹10030 (d) ₹8755
- 16.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
- 17.The simple interest on ₹1000 for 4 years is ₹480. What is the rate per year? (a) 12% (b) 48% (c) 13% (d) 11%
- 18.The simple interest on ₹9500 for 5 years is ₹4275. What is the rate per year? (a) 10% (b) 8% (c) 45% (d) 9%
- 19.In how many years will ₹5500 earn ₹990 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
- 20.What is the simple interest on ₹4500 at 8% per year for 2 years? (a) ₹5220 (b) ₹1080 (c) ₹360 (d) ₹720
- 21.₹3500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹6020 (b) ₹2100 (c) ₹3920 (d) ₹5600
- 22.₹5500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹6160 (b) ₹7480 (c) ₹6820 (d) ₹1320
- 23.What is the simple interest on ₹2500 at 8% per year for 2 years? (a) ₹600 (b) ₹200 (c) ₹2900 (d) ₹400
- 24.What is the simple interest on ₹5500 at 6% per year for 4 years? (a) ₹1650 (b) ₹1320 (c) ₹6820 (d) ₹330
- 25.The simple interest on ₹2500 for 4 years is ₹500. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 20%
- 26.What is the simple interest on ₹2500 at 10% per year for 5 years? (a) ₹1250 (b) ₹3750 (c) ₹1500 (d) ₹250
- 27.₹2500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2725 (b) ₹3625 (c) ₹3400 (d) ₹900
- 28.The simple interest on ₹9500 for 2 years is ₹950. What is the rate per year? (a) 10% (b) 6% (c) 5% (d) 4%
- 29.In how many years will ₹3000 earn ₹1650 simple interest at 11% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
- 30.What is the simple interest on ₹9500 at 6% per year for 2 years? (a) ₹1140 (b) ₹570 (c) ₹1710 (d) ₹10640
- 31.In how many years will ₹2500 earn ₹600 simple interest at 12% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
- 32.In how many years will ₹4000 earn ₹480 simple interest at 3% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
- 33.In how many years will ₹9000 earn ₹2160 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
- 34.₹3000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3300 (b) ₹3600 (c) ₹3900 (d) ₹600
- 35.The simple interest on ₹5000 for 3 years is ₹1350. What is the rate per year? (a) 9% (b) 27% (c) 8% (d) 10%
- 36.In how many years will ₹5000 earn ₹1750 simple interest at 7% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
- 37.In how many years will ₹3500 earn ₹1050 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
- 38.The simple interest on ₹4500 for 5 years is ₹1350. What is the rate per year? (a) 7% (b) 5% (c) 30% (d) 6%
- 39.In how many years will ₹5500 earn ₹1980 simple interest at 9% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
- 40.The simple interest on ₹4500 for 2 years is ₹270. What is the rate per year? (a) 2% (b) 6% (c) 3% (d) 4%
Answer key
- ₹560
- 4 years
- ₹405
- ₹1220
- 3 years
- 3%
- ₹10080
- 2 years
- 4 years
- ₹960
- ₹9450
- ₹100
- 2%
- 2 years
- ₹9775
- 4 years
- 12%
- 9%
- 3 years
- ₹720
- ₹5600
- ₹6820
- ₹400
- ₹1320
- 5%
- ₹1250
- ₹3400
- 5%
- 5 years
- ₹1140
- 2 years
- 4 years
- 4 years
- ₹3600
- 9%
- 5 years
- 5 years
- 6%
- 4 years
- 3%
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