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.₹1000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1060 (b) ₹1040 (c) ₹40 (d) ₹1020
- 2.In how many years will ₹3500 earn ₹350 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
- 3.What is the simple interest on ₹1000 at 10% per year for 2 years? (a) ₹100 (b) ₹1200 (c) ₹300 (d) ₹200
- 4.What is the simple interest on ₹1000 at 9% per year for 4 years? (a) ₹450 (b) ₹360 (c) ₹90 (d) ₹1360
- 5.In how many years will ₹1000 earn ₹240 simple interest at 12% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
- 6.What is the simple interest on ₹5000 at 2% per year for 5 years? (a) ₹5500 (b) ₹500 (c) ₹100 (d) ₹600
- 7.In how many years will ₹2500 earn ₹1000 simple interest at 10% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
- 8.In how many years will ₹2500 earn ₹750 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
- 9.What is the simple interest on ₹10000 at 3% per year for 4 years? (a) ₹1500 (b) ₹11200 (c) ₹300 (d) ₹1200
- 10.The simple interest on ₹6500 for 5 years is ₹975. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 15%
- 11.In how many years will ₹9000 earn ₹540 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
- 12.What is the simple interest on ₹9000 at 9% per year for 4 years? (a) ₹12240 (b) ₹810 (c) ₹3240 (d) ₹4050
- 13.₹2500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹3250 (b) ₹2625 (c) ₹3125 (d) ₹625
- 14.The simple interest on ₹4500 for 3 years is ₹540. What is the rate per year? (a) 12% (b) 3% (c) 4% (d) 5%
- 15.What is the simple interest on ₹4000 at 5% per year for 5 years? (a) ₹5000 (b) ₹200 (c) ₹1000 (d) ₹1200
- 16.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹350 (b) ₹2100 (c) ₹8750 (d) ₹1750
- 17.The simple interest on ₹9000 for 2 years is ₹1800. What is the rate per year? (a) 10% (b) 20% (c) 9% (d) 11%
- 18.In how many years will ₹4500 earn ₹1350 simple interest at 6% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
- 19.The simple interest on ₹9000 for 5 years is ₹4050. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 45%
- 20.₹1000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹200 (b) ₹1200 (c) ₹1040 (d) ₹1240
- 21.In how many years will ₹9500 earn ₹950 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
- 22.The simple interest on ₹2000 for 3 years is ₹480. What is the rate per year? (a) 7% (b) 24% (c) 9% (d) 8%
- 23.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹2720 (b) ₹10540 (c) ₹2040 (d) ₹680
- 24.What is the simple interest on ₹6000 at 5% per year for 3 years? (a) ₹6900 (b) ₹300 (c) ₹1200 (d) ₹900
- 25.In how many years will ₹7500 earn ₹2025 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
- 26.What is the simple interest on ₹7000 at 10% per year for 2 years? (a) ₹2100 (b) ₹8400 (c) ₹700 (d) ₹1400
- 27.₹8500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹680 (b) ₹9520 (c) ₹8840 (d) ₹9180
- 28.The simple interest on ₹10000 for 2 years is ₹1600. What is the rate per year? (a) 7% (b) 9% (c) 16% (d) 8%
- 29.In how many years will ₹5000 earn ₹500 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
- 30.What is the simple interest on ₹1000 at 4% per year for 2 years? (a) ₹40 (b) ₹80 (c) ₹1080 (d) ₹120
- 31.The simple interest on ₹8500 for 3 years is ₹2040. What is the rate per year? (a) 24% (b) 9% (c) 8% (d) 7%
- 32.The simple interest on ₹3500 for 2 years is ₹490. What is the rate per year? (a) 14% (b) 8% (c) 7% (d) 6%
- 33.The simple interest on ₹6000 for 4 years is ₹2160. What is the rate per year? (a) 9% (b) 10% (c) 8% (d) 36%
- 34.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹2600 (b) ₹50 (c) ₹150 (d) ₹100
- 35.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3270 (b) ₹3180 (c) ₹3090 (d) ₹180
- 36.The simple interest on ₹10000 for 3 years is ₹1800. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 18%
- 37.What is the simple interest on ₹9000 at 4% per year for 2 years? (a) ₹360 (b) ₹9720 (c) ₹720 (d) ₹1080
- 38.In how many years will ₹1000 earn ₹270 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
- 39.₹5000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹6800 (b) ₹1500 (c) ₹5300 (d) ₹6500
- 40.In how many years will ₹9000 earn ₹1980 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
Answer key
- ₹1040
- 2 years
- ₹200
- ₹360
- 2 years
- ₹500
- 4 years
- 5 years
- ₹1200
- 3%
- 2 years
- ₹3240
- ₹3125
- 4%
- ₹1000
- ₹1750
- 10%
- 5 years
- 9%
- ₹1200
- 2 years
- 8%
- ₹2040
- ₹900
- 3 years
- ₹1400
- ₹9180
- 8%
- 5 years
- ₹80
- 8%
- 7%
- 9%
- ₹100
- ₹3180
- 6%
- ₹720
- 3 years
- ₹6500
- 2 years
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