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.₹7500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1650 (b) ₹8325 (c) ₹9150 (d) ₹9975
- 2.In how many years will ₹3000 earn ₹480 simple interest at 8% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
- 3.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹150 (b) ₹225 (c) ₹75 (d) ₹2650
- 4.In how many years will ₹1000 earn ₹320 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
- 5.₹5500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹495 (b) ₹5665 (c) ₹5995 (d) ₹6160
- 6.What is the simple interest on ₹1500 at 10% per year for 3 years? (a) ₹1950 (b) ₹150 (c) ₹450 (d) ₹600
- 7.In how many years will ₹7000 earn ₹3150 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
- 8.In how many years will ₹9000 earn ₹900 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
- 9.What is the simple interest on ₹2000 at 4% per year for 5 years? (a) ₹2400 (b) ₹80 (c) ₹480 (d) ₹400
- 10.What is the simple interest on ₹7500 at 3% per year for 3 years? (a) ₹225 (b) ₹900 (c) ₹675 (d) ₹8175
- 11.₹6000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹7260 (b) ₹6420 (c) ₹6840 (d) ₹840
- 12.In how many years will ₹7000 earn ₹1260 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
- 13.In how many years will ₹1500 earn ₹225 simple interest at 3% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
- 14.What is the simple interest on ₹7500 at 7% per year for 3 years? (a) ₹1575 (b) ₹2100 (c) ₹525 (d) ₹9075
- 15.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹50 (b) ₹200 (c) ₹250 (d) ₹2700
- 16.₹8500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹10540 (b) ₹11560 (c) ₹2040 (d) ₹9520
- 17.In how many years will ₹1000 earn ₹60 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
- 18.What is the simple interest on ₹2500 at 11% per year for 4 years? (a) ₹3600 (b) ₹1375 (c) ₹275 (d) ₹1100
- 19.The simple interest on ₹4000 for 4 years is ₹1760. What is the rate per year? (a) 12% (b) 44% (c) 10% (d) 11%
- 20.The simple interest on ₹1000 for 5 years is ₹200. What is the rate per year? (a) 20% (b) 5% (c) 3% (d) 4%
- 21.What is the simple interest on ₹5000 at 8% per year for 4 years? (a) ₹6600 (b) ₹2000 (c) ₹1600 (d) ₹400
- 22.The simple interest on ₹8500 for 5 years is ₹2125. What is the rate per year? (a) 5% (b) 4% (c) 25% (d) 6%
- 23.What is the simple interest on ₹2000 at 3% per year for 3 years? (a) ₹180 (b) ₹60 (c) ₹2180 (d) ₹240
- 24.What is the simple interest on ₹3000 at 2% per year for 3 years? (a) ₹3180 (b) ₹240 (c) ₹60 (d) ₹180
- 25.₹3500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹350 (b) ₹4025 (c) ₹3850 (d) ₹3675
- 26.What is the simple interest on ₹8000 at 6% per year for 2 years? (a) ₹8960 (b) ₹960 (c) ₹480 (d) ₹1440
- 27.What is the simple interest on ₹6500 at 11% per year for 3 years? (a) ₹2860 (b) ₹2145 (c) ₹715 (d) ₹8645
- 28.What is the simple interest on ₹8500 at 12% per year for 5 years? (a) ₹5100 (b) ₹6120 (c) ₹13600 (d) ₹1020
- 29.What is the simple interest on ₹4500 at 9% per year for 5 years? (a) ₹2025 (b) ₹2430 (c) ₹405 (d) ₹6525
- 30.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹240 (b) ₹1740 (c) ₹120 (d) ₹360
- 31.The simple interest on ₹5500 for 2 years is ₹770. What is the rate per year? (a) 6% (b) 14% (c) 7% (d) 8%
- 32.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹2100 (b) ₹1750 (c) ₹350 (d) ₹8750
- 33.In how many years will ₹8000 earn ₹960 simple interest at 6% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
- 34.What is the simple interest on ₹9000 at 2% per year for 3 years? (a) ₹180 (b) ₹9540 (c) ₹720 (d) ₹540
- 35.What is the simple interest on ₹3500 at 11% per year for 2 years? (a) ₹1155 (b) ₹770 (c) ₹4270 (d) ₹385
- 36.What is the simple interest on ₹5500 at 6% per year for 5 years? (a) ₹1650 (b) ₹7150 (c) ₹1980 (d) ₹330
- 37.₹3000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹4080 (c) ₹3180 (d) ₹3900
- 38.The simple interest on ₹1000 for 2 years is ₹200. What is the rate per year? (a) 9% (b) 20% (c) 11% (d) 10%
- 39.What is the simple interest on ₹9500 at 4% per year for 4 years? (a) ₹1900 (b) ₹1520 (c) ₹380 (d) ₹11020
- 40.The simple interest on ₹5000 for 2 years is ₹200. What is the rate per year? (a) 3% (b) 4% (c) 1% (d) 2%
Answer key
- ₹9150
- 2 years
- ₹150
- 4 years
- ₹5995
- ₹450
- 5 years
- 2 years
- ₹400
- ₹675
- ₹6840
- 2 years
- 5 years
- ₹1575
- ₹200
- ₹10540
- 3 years
- ₹1100
- 11%
- 4%
- ₹1600
- 5%
- ₹180
- ₹180
- ₹3850
- ₹960
- ₹2145
- ₹5100
- ₹2025
- ₹240
- 7%
- ₹1750
- 2 years
- ₹540
- ₹770
- ₹1650
- ₹3900
- 10%
- ₹1520
- 2%
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