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.₹10000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹10800 (b) ₹13200 (c) ₹3200 (d) ₹14000
- 2.In how many years will ₹8500 earn ₹680 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
- 3.₹1500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹1620 (c) ₹1740 (d) ₹1860
- 4.₹9500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹10355 (b) ₹14630 (c) ₹4275 (d) ₹13775
- 5.The simple interest on ₹8500 for 2 years is ₹1870. What is the rate per year? (a) 22% (b) 10% (c) 12% (d) 11%
- 6.The simple interest on ₹3000 for 4 years is ₹720. What is the rate per year? (a) 24% (b) 6% (c) 5% (d) 7%
- 7.₹4500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1800 (b) ₹6750 (c) ₹6300 (d) ₹4950
- 8.In how many years will ₹2000 earn ₹440 simple interest at 11% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
- 9.In how many years will ₹2000 earn ₹1200 simple interest at 12% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
- 10.In how many years will ₹3500 earn ₹1225 simple interest at 7% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
- 11.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹2700 (b) ₹200 (c) ₹250 (d) ₹50
- 12.In how many years will ₹2000 earn ₹120 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
- 13.What is the simple interest on ₹1000 at 4% per year for 2 years? (a) ₹40 (b) ₹80 (c) ₹120 (d) ₹1080
- 14.The simple interest on ₹1000 for 2 years is ₹220. What is the rate per year? (a) 22% (b) 12% (c) 11% (d) 10%
- 15.What is the simple interest on ₹2000 at 6% per year for 3 years? (a) ₹480 (b) ₹360 (c) ₹120 (d) ₹2360
- 16.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹3840 (b) ₹840 (c) ₹210 (d) ₹1050
- 17.The simple interest on ₹4000 for 4 years is ₹960. What is the rate per year? (a) 7% (b) 5% (c) 24% (d) 6%
- 18.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
- 19.In how many years will ₹1500 earn ₹120 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
- 20.The simple interest on ₹8500 for 3 years is ₹3060. What is the rate per year? (a) 36% (b) 12% (c) 13% (d) 11%
- 21.What is the simple interest on ₹7500 at 6% per year for 2 years? (a) ₹900 (b) ₹450 (c) ₹8400 (d) ₹1350
- 22.What is the simple interest on ₹6500 at 7% per year for 5 years? (a) ₹455 (b) ₹2730 (c) ₹2275 (d) ₹8775
- 23.₹4000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹4480 (b) ₹960 (c) ₹4960 (d) ₹5440
- 24.The simple interest on ₹1000 for 4 years is ₹400. What is the rate per year? (a) 40% (b) 9% (c) 11% (d) 10%
- 25.The simple interest on ₹3000 for 3 years is ₹810. What is the rate per year? (a) 8% (b) 10% (c) 27% (d) 9%
- 26.In how many years will ₹7500 earn ₹2475 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
- 27.The simple interest on ₹9500 for 5 years is ₹5225. What is the rate per year? (a) 11% (b) 10% (c) 55% (d) 12%
- 28.What is the simple interest on ₹9500 at 2% per year for 4 years? (a) ₹950 (b) ₹190 (c) ₹760 (d) ₹10260
- 29.In how many years will ₹3000 earn ₹630 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
- 30.What is the simple interest on ₹7500 at 7% per year for 4 years? (a) ₹9600 (b) ₹525 (c) ₹2625 (d) ₹2100
- 31.The simple interest on ₹3500 for 5 years is ₹1400. What is the rate per year? (a) 8% (b) 7% (c) 9% (d) 40%
- 32.The simple interest on ₹1500 for 3 years is ₹495. What is the rate per year? (a) 33% (b) 10% (c) 12% (d) 11%
- 33.What is the simple interest on ₹3000 at 10% per year for 2 years? (a) ₹900 (b) ₹300 (c) ₹3600 (d) ₹600
- 34.What is the simple interest on ₹7500 at 4% per year for 4 years? (a) ₹1200 (b) ₹300 (c) ₹8700 (d) ₹1500
- 35.The simple interest on ₹9000 for 2 years is ₹540. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 6%
- 36.₹10000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹10900 (b) ₹11200 (c) ₹900 (d) ₹10300
- 37.₹2000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2300 (b) ₹200 (c) ₹2200 (d) ₹2100
- 38.The simple interest on ₹7000 for 2 years is ₹420. What is the rate per year? (a) 4% (b) 3% (c) 6% (d) 2%
- 39.The simple interest on ₹4500 for 5 years is ₹1575. What is the rate per year? (a) 35% (b) 8% (c) 7% (d) 6%
- 40.In how many years will ₹7000 earn ₹3850 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
Answer key
- ₹13200
- 2 years
- ₹1740
- ₹13775
- 11%
- 6%
- ₹6300
- 2 years
- 5 years
- 5 years
- ₹200
- 3 years
- ₹80
- 11%
- ₹360
- ₹840
- 6%
- 3 years
- 2 years
- 12%
- ₹900
- ₹2275
- ₹4960
- 10%
- 9%
- 3 years
- 11%
- ₹760
- 3 years
- ₹2100
- 8%
- 11%
- ₹600
- ₹1200
- 3%
- ₹10900
- ₹2200
- 3%
- 7%
- 5 years
Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad