Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 47 · 40 questions

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).

1. 1.What is the simple interest on ₹5500 at 4% per year for 2 years? (a) ₹660 (b) ₹5940 (c) ₹440 (d) ₹220
2. 2.What is the simple interest on ₹6000 at 9% per year for 5 years? (a) ₹2700 (b) ₹540 (c) ₹8700 (d) ₹3240
3. 3.₹4500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹5940 (b) ₹1080 (c) ₹4860 (d) ₹5580
4. 4.₹8500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹9180 (b) ₹680 (c) ₹8670 (d) ₹9350
5. 5.₹6000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹8160 (b) ₹8880 (c) ₹6720 (d) ₹2160
6. 6.₹4000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹4280 (b) ₹4840 (c) ₹840 (d) ₹5120
7. 7.What is the simple interest on ₹1500 at 5% per year for 4 years? (a) ₹1800 (b) ₹375 (c) ₹300 (d) ₹75
8. 8.In how many years will ₹3500 earn ₹560 simple interest at 8% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
9. 9.The simple interest on ₹7000 for 3 years is ₹630. What is the rate per year? (a) 2% (b) 4% (c) 9% (d) 3%
10. 10.₹6000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹7440 (b) ₹6480 (c) ₹6960 (d) ₹960
11. 11.In how many years will ₹1500 earn ₹360 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
12. 12.The simple interest on ₹5000 for 2 years is ₹1100. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 22%
13. 13.In how many years will ₹9500 earn ₹2850 simple interest at 6% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
14. 14.In how many years will ₹8000 earn ₹1760 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
15. 15.The simple interest on ₹7500 for 2 years is ₹1500. What is the rate per year? (a) 10% (b) 9% (c) 11% (d) 20%
16. 16.In how many years will ₹4000 earn ₹1280 simple interest at 8% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
17. 17.In how many years will ₹2500 earn ₹1125 simple interest at 9% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
18. 18.In how many years will ₹7000 earn ₹1890 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
19. 19.What is the simple interest on ₹1000 at 6% per year for 3 years? (a) ₹180 (b) ₹1180 (c) ₹60 (d) ₹240
20. 20.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹180 (b) ₹3090 (c) ₹3270 (d) ₹3180
21. 21.The simple interest on ₹8500 for 5 years is ₹4250. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 50%
22. 22.In how many years will ₹6000 earn ₹240 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
23. 23.What is the simple interest on ₹2000 at 3% per year for 2 years? (a) ₹2120 (b) ₹60 (c) ₹180 (d) ₹120
24. 24.₹2000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2440 (b) ₹2220 (c) ₹440 (d) ₹2660
25. 25.The simple interest on ₹9500 for 4 years is ₹3420. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 36%
26. 26.The simple interest on ₹3000 for 2 years is ₹180. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 6%
27. 27.The simple interest on ₹9500 for 3 years is ₹1425. What is the rate per year? (a) 4% (b) 15% (c) 5% (d) 6%
28. 28.₹9000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10620 (b) ₹1350 (c) ₹9270 (d) ₹10350
29. 29.What is the simple interest on ₹3500 at 3% per year for 2 years? (a) ₹105 (b) ₹3710 (c) ₹210 (d) ₹315
30. 30.What is the simple interest on ₹4000 at 12% per year for 5 years? (a) ₹480 (b) ₹2400 (c) ₹2880 (d) ₹6400
31. 31.In how many years will ₹2500 earn ₹525 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
32. 32.What is the simple interest on ₹2500 at 11% per year for 3 years? (a) ₹275 (b) ₹3325 (c) ₹1100 (d) ₹825
33. 33.The simple interest on ₹2000 for 4 years is ₹560. What is the rate per year? (a) 8% (b) 7% (c) 28% (d) 6%
34. 34.In how many years will ₹7500 earn ₹1350 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
35. 35.What is the simple interest on ₹8500 at 3% per year for 4 years? (a) ₹1275 (b) ₹9520 (c) ₹1020 (d) ₹255
36. 36.₹6000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹7200 (b) ₹960 (c) ₹6960 (d) ₹6240
37. 37.₹4000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹4080 (b) ₹4320 (c) ₹4240 (d) ₹240
38. 38.The simple interest on ₹2000 for 4 years is ₹160. What is the rate per year? (a) 2% (b) 1% (c) 8% (d) 3%
39. 39.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹600 (b) ₹10400 (c) ₹400 (d) ₹200
40. 40.What is the simple interest on ₹4500 at 5% per year for 3 years? (a) ₹675 (b) ₹900 (c) ₹5175 (d) ₹225

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