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.In how many years will ₹6000 earn ₹1200 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
- 2.The simple interest on ₹3000 for 5 years is ₹300. What is the rate per year? (a) 10% (b) 1% (c) 3% (d) 2%
- 3.What is the simple interest on ₹4500 at 2% per year for 3 years? (a) ₹270 (b) ₹4770 (c) ₹90 (d) ₹360
- 4.₹5500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹660 (b) ₹6325 (c) ₹6160 (d) ₹5665
- 5.In how many years will ₹4000 earn ₹240 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
- 6.In how many years will ₹10000 earn ₹1200 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
- 7.What is the simple interest on ₹5500 at 4% per year for 4 years? (a) ₹6380 (b) ₹1100 (c) ₹880 (d) ₹220
- 8.₹7500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹7875 (b) ₹8625 (c) ₹8250 (d) ₹750
- 9.What is the simple interest on ₹5000 at 8% per year for 3 years? (a) ₹1200 (b) ₹400 (c) ₹6200 (d) ₹1600
- 10.₹6500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1365 (b) ₹8320 (c) ₹6955 (d) ₹7865
- 11.₹3500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹3710 (b) ₹4130 (c) ₹3920 (d) ₹420
- 12.The simple interest on ₹4000 for 4 years is ₹480. What is the rate per year? (a) 3% (b) 12% (c) 4% (d) 2%
- 13.₹4500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹6390 (b) ₹4815 (c) ₹1575 (d) ₹6075
- 14.The simple interest on ₹1000 for 2 years is ₹180. What is the rate per year? (a) 9% (b) 8% (c) 10% (d) 18%
- 15.The simple interest on ₹8000 for 5 years is ₹2800. What is the rate per year? (a) 35% (b) 8% (c) 6% (d) 7%
- 16.₹3500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹525 (b) ₹4130 (c) ₹3605 (d) ₹4025
- 17.₹6500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹7020 (b) ₹520 (c) ₹6630 (d) ₹7150
- 18.What is the simple interest on ₹6000 at 3% per year for 2 years? (a) ₹540 (b) ₹6360 (c) ₹180 (d) ₹360
- 19.What is the simple interest on ₹7500 at 3% per year for 5 years? (a) ₹1350 (b) ₹8625 (c) ₹1125 (d) ₹225
- 20.₹1500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1575 (b) ₹1950 (c) ₹1875 (d) ₹375
- 21.In how many years will ₹9500 earn ₹3420 simple interest at 12% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
- 22.The simple interest on ₹4000 for 2 years is ₹480. What is the rate per year? (a) 5% (b) 12% (c) 6% (d) 7%
- 23.In how many years will ₹2000 earn ₹400 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
- 24.₹3000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹3750 (b) ₹3150 (c) ₹750 (d) ₹3900
- 25.In how many years will ₹2000 earn ₹240 simple interest at 6% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
- 26.What is the simple interest on ₹2500 at 6% per year for 3 years? (a) ₹2950 (b) ₹150 (c) ₹600 (d) ₹450
- 27.₹3500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹4340 (b) ₹700 (c) ₹3640 (d) ₹4200
- 28.₹3500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3920 (b) ₹5180 (c) ₹1680 (d) ₹5600
- 29.What is the simple interest on ₹7000 at 7% per year for 5 years? (a) ₹9450 (b) ₹2940 (c) ₹490 (d) ₹2450
- 30.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹375 (b) ₹75 (c) ₹300 (d) ₹2800
- 31.The simple interest on ₹10000 for 4 years is ₹1200. What is the rate per year? (a) 2% (b) 12% (c) 4% (d) 3%
- 32.In how many years will ₹10000 earn ₹2800 simple interest at 7% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
- 33.In how many years will ₹7500 earn ₹3750 simple interest at 10% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
- 34.What is the simple interest on ₹2000 at 2% per year for 5 years? (a) ₹240 (b) ₹200 (c) ₹2200 (d) ₹40
- 35.₹4000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹6640 (b) ₹2200 (c) ₹6200 (d) ₹4440
- 36.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹45 (b) ₹1635 (c) ₹135 (d) ₹180
- 37.The simple interest on ₹1500 for 2 years is ₹180. What is the rate per year? (a) 6% (b) 12% (c) 5% (d) 7%
- 38.In how many years will ₹7500 earn ₹1200 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
- 39.The simple interest on ₹6000 for 5 years is ₹1200. What is the rate per year? (a) 20% (b) 3% (c) 5% (d) 4%
- 40.In how many years will ₹8000 earn ₹1200 simple interest at 3% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
Answer key
- 4 years
- 2%
- ₹270
- ₹6160
- 2 years
- 4 years
- ₹880
- ₹8250
- ₹1200
- ₹7865
- ₹3920
- 3%
- ₹6075
- 9%
- 7%
- ₹4025
- ₹7020
- ₹360
- ₹1125
- ₹1875
- 3 years
- 6%
- 5 years
- ₹3750
- 2 years
- ₹450
- ₹4200
- ₹5180
- ₹2450
- ₹300
- 3%
- 4 years
- 5 years
- ₹200
- ₹6200
- ₹135
- 6%
- 4 years
- 4%
- 5 years
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