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.What is the simple interest on ₹7500 at 8% per year for 2 years? (a) ₹1800 (b) ₹8700 (c) ₹1200 (d) ₹600
- 2.What is the simple interest on ₹3500 at 9% per year for 4 years? (a) ₹1575 (b) ₹4760 (c) ₹315 (d) ₹1260
- 3.What is the simple interest on ₹2000 at 8% per year for 2 years? (a) ₹320 (b) ₹480 (c) ₹160 (d) ₹2320
- 4.In how many years will ₹2500 earn ₹225 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
- 5.In how many years will ₹3000 earn ₹720 simple interest at 12% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
- 6.In how many years will ₹1500 earn ₹300 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
- 7.₹8500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹11050 (b) ₹2550 (c) ₹11560 (d) ₹9010
- 8.In how many years will ₹9500 earn ₹4750 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
- 9.In how many years will ₹1500 earn ₹600 simple interest at 10% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
- 10.₹7000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹7840 (b) ₹7560 (c) ₹560 (d) ₹7280
- 11.What is the simple interest on ₹5500 at 4% per year for 4 years? (a) ₹1100 (b) ₹6380 (c) ₹880 (d) ₹220
- 12.The simple interest on ₹7000 for 2 years is ₹840. What is the rate per year? (a) 12% (b) 6% (c) 7% (d) 5%
- 13.What is the simple interest on ₹1000 at 7% per year for 2 years? (a) ₹210 (b) ₹70 (c) ₹140 (d) ₹1140
- 14.What is the simple interest on ₹8000 at 2% per year for 5 years? (a) ₹160 (b) ₹960 (c) ₹8800 (d) ₹800
- 15.₹6500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹6890 (b) ₹390 (c) ₹6630 (d) ₹7020
- 16.In how many years will ₹6000 earn ₹480 simple interest at 4% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
- 17.₹7500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹7650 (b) ₹450 (c) ₹7950 (d) ₹8100
- 18.The simple interest on ₹5500 for 2 years is ₹1320. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 24%
- 19.In how many years will ₹5000 earn ₹2000 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
- 20.In how many years will ₹9000 earn ₹1620 simple interest at 9% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
- 21.The simple interest on ₹9500 for 5 years is ₹1425. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 15%
- 22.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹210 (b) ₹3815 (c) ₹3605 (d) ₹3710
- 23.In how many years will ₹5500 earn ₹880 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
- 24.What is the simple interest on ₹8000 at 8% per year for 5 years? (a) ₹3840 (b) ₹640 (c) ₹3200 (d) ₹11200
- 25.In how many years will ₹1000 earn ₹150 simple interest at 5% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
- 26.What is the simple interest on ₹2000 at 3% per year for 2 years? (a) ₹180 (b) ₹60 (c) ₹2120 (d) ₹120
- 27.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
- 28.₹3000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3480 (b) ₹3720 (c) ₹3240 (d) ₹480
- 29.The simple interest on ₹2000 for 2 years is ₹120. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 6%
- 30.In how many years will ₹6500 earn ₹780 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
- 31.The simple interest on ₹10000 for 3 years is ₹1800. What is the rate per year? (a) 5% (b) 6% (c) 18% (d) 7%
- 32.In how many years will ₹9500 earn ₹1520 simple interest at 4% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
- 33.₹8500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹8670 (b) ₹9520 (c) ₹9350 (d) ₹850
- 34.The simple interest on ₹1500 for 3 years is ₹495. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 33%
- 35.₹3000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹270 (b) ₹3270 (c) ₹3360 (d) ₹3090
- 36.₹9500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2375 (b) ₹9975 (c) ₹11875 (d) ₹12350
- 37.The simple interest on ₹4000 for 2 years is ₹800. What is the rate per year? (a) 9% (b) 10% (c) 20% (d) 11%
- 38.₹5000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹5900 (b) ₹5300 (c) ₹5600 (d) ₹600
- 39.₹9000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹9450 (b) ₹10350 (c) ₹900 (d) ₹9900
- 40.The simple interest on ₹3500 for 4 years is ₹1120. What is the rate per year? (a) 32% (b) 8% (c) 9% (d) 7%
Answer key
- ₹1200
- ₹1260
- ₹320
- 3 years
- 2 years
- 2 years
- ₹11050
- 5 years
- 4 years
- ₹7560
- ₹880
- 6%
- ₹140
- ₹800
- ₹6890
- 2 years
- ₹7950
- 12%
- 4 years
- 2 years
- 3%
- ₹3710
- 2 years
- ₹3200
- 3 years
- ₹120
- 3 years
- ₹3480
- 3%
- 3 years
- 6%
- 4 years
- ₹9350
- 11%
- ₹3270
- ₹11875
- 10%
- ₹5600
- ₹9900
- 8%
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