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 ₹5000 earn ₹750 simple interest at 3% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
- 2.₹2000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2240 (b) ₹200 (c) ₹2200 (d) ₹2040
- 3.What is the simple interest on ₹10000 at 9% per year for 3 years? (a) ₹3600 (b) ₹900 (c) ₹2700 (d) ₹12700
- 4.The simple interest on ₹5500 for 3 years is ₹990. What is the rate per year? (a) 18% (b) 7% (c) 5% (d) 6%
- 5.In how many years will ₹3500 earn ₹1155 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
- 6.What is the simple interest on ₹10000 at 8% per year for 3 years? (a) ₹2400 (b) ₹12400 (c) ₹800 (d) ₹3200
- 7.In how many years will ₹5500 earn ₹825 simple interest at 5% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
- 8.₹10000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹13600 (b) ₹12400 (c) ₹11200 (d) ₹2400
- 9.₹5000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹5150 (b) ₹450 (c) ₹5450 (d) ₹5600
- 10.In how many years will ₹1000 earn ₹400 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
- 11.What is the simple interest on ₹1500 at 10% per year for 3 years? (a) ₹1950 (b) ₹450 (c) ₹150 (d) ₹600
- 12.In how many years will ₹3500 earn ₹700 simple interest at 10% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
- 13.₹2000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2140 (b) ₹2840 (c) ₹700 (d) ₹2700
- 14.In how many years will ₹9500 earn ₹4750 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
- 15.In how many years will ₹6000 earn ₹2400 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
- 16.₹5500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹5665 (b) ₹6490 (c) ₹825 (d) ₹6325
- 17.₹10000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹10500 (b) ₹2500 (c) ₹13000 (d) ₹12500
- 18.The simple interest on ₹10000 for 5 years is ₹4500. What is the rate per year? (a) 9% (b) 45% (c) 10% (d) 8%
- 19.What is the simple interest on ₹3500 at 11% per year for 5 years? (a) ₹5425 (b) ₹385 (c) ₹1925 (d) ₹2310
- 20.What is the simple interest on ₹1000 at 8% per year for 4 years? (a) ₹320 (b) ₹1320 (c) ₹400 (d) ₹80
- 21.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹210 (b) ₹420 (c) ₹630 (d) ₹3420
- 22.In how many years will ₹1000 earn ₹200 simple interest at 5% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
- 23.What is the simple interest on ₹9500 at 3% per year for 5 years? (a) ₹285 (b) ₹10925 (c) ₹1710 (d) ₹1425
- 24.The simple interest on ₹3000 for 2 years is ₹660. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 22%
- 25.In how many years will ₹7500 earn ₹2100 simple interest at 7% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
- 26.In how many years will ₹6000 earn ₹840 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
- 27.What is the simple interest on ₹3500 at 11% per year for 4 years? (a) ₹1540 (b) ₹5040 (c) ₹1925 (d) ₹385
- 28.What is the simple interest on ₹9000 at 6% per year for 4 years? (a) ₹540 (b) ₹2700 (c) ₹2160 (d) ₹11160
- 29.₹6500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹260 (b) ₹6890 (c) ₹6760 (d) ₹6630
- 30.What is the simple interest on ₹10000 at 2% per year for 5 years? (a) ₹200 (b) ₹11000 (c) ₹1200 (d) ₹1000
- 31.In how many years will ₹6500 earn ₹1950 simple interest at 6% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
- 32.₹2500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹625 (b) ₹3125 (c) ₹3250 (d) ₹2625
- 33.What is the simple interest on ₹2500 at 12% per year for 3 years? (a) ₹900 (b) ₹300 (c) ₹1200 (d) ₹3400
- 34.The simple interest on ₹1000 for 4 years is ₹240. What is the rate per year? (a) 7% (b) 5% (c) 24% (d) 6%
- 35.₹9000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹9630 (b) ₹11520 (c) ₹2520 (d) ₹12150
- 36.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹200 (b) ₹400 (c) ₹10400 (d) ₹600
- 37.₹8000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹8640 (b) ₹1920 (c) ₹9920 (d) ₹10560
- 38.In how many years will ₹8500 earn ₹510 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
- 39.What is the simple interest on ₹9500 at 11% per year for 5 years? (a) ₹1045 (b) ₹14725 (c) ₹6270 (d) ₹5225
- 40.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹180 (b) ₹3180 (c) ₹3090 (d) ₹3270
Answer key
- 5 years
- ₹2200
- ₹2700
- 6%
- 3 years
- ₹2400
- 3 years
- ₹12400
- ₹5450
- 4 years
- ₹450
- 2 years
- ₹2700
- 5 years
- 5 years
- ₹6325
- ₹12500
- 9%
- ₹1925
- ₹320
- ₹420
- 4 years
- ₹1425
- 11%
- 4 years
- 2 years
- ₹1540
- ₹2160
- ₹6760
- ₹1000
- 5 years
- ₹3125
- ₹900
- 6%
- ₹11520
- ₹400
- ₹9920
- 2 years
- ₹5225
- ₹3180
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