Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 926 · 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.The simple interest on ₹9500 for 3 years is ₹570. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 6%
2. 2.₹1000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹500 (b) ₹1100 (c) ₹1600 (d) ₹1500
3. 3.The simple interest on ₹10000 for 4 years is ₹2000. What is the rate per year? (a) 20% (b) 6% (c) 5% (d) 4%
4. 4.In how many years will ₹5000 earn ₹750 simple interest at 3% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
5. 5.The simple interest on ₹10000 for 2 years is ₹400. What is the rate per year? (a) 1% (b) 2% (c) 4% (d) 3%
6. 6.The simple interest on ₹6500 for 2 years is ₹1560. What is the rate per year? (a) 13% (b) 12% (c) 11% (d) 24%
7. 7.₹4500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹5445 (b) ₹5130 (c) ₹4815 (d) ₹630
8. 8.In how many years will ₹9500 earn ₹3420 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
9. 9.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹120 (b) ₹720 (c) ₹3600 (d) ₹600
10. 10.In how many years will ₹8500 earn ₹1020 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
11. 11.In how many years will ₹5500 earn ₹660 simple interest at 3% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
12. 12.The simple interest on ₹4000 for 4 years is ₹1280. What is the rate per year? (a) 9% (b) 7% (c) 32% (d) 8%
13. 13.₹7000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹7630 (b) ₹630 (c) ₹7210 (d) ₹7840
14. 14.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
15. 15.In how many years will ₹3500 earn ₹1680 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
16. 16.In how many years will ₹8500 earn ₹3060 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
17. 17.₹4000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹4440 (b) ₹5320 (c) ₹4880 (d) ₹880
18. 18.What is the simple interest on ₹7500 at 7% per year for 5 years? (a) ₹2625 (b) ₹10125 (c) ₹3150 (d) ₹525
19. 19.In how many years will ₹2500 earn ₹1000 simple interest at 10% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
20. 20.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
21. 21.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹250 (b) ₹200 (c) ₹2700 (d) ₹50
22. 22.The simple interest on ₹3000 for 3 years is ₹720. What is the rate per year? (a) 7% (b) 9% (c) 24% (d) 8%
23. 23.The simple interest on ₹6500 for 5 years is ₹650. What is the rate per year? (a) 10% (b) 3% (c) 2% (d) 1%
24. 24.The simple interest on ₹5000 for 3 years is ₹1800. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 36%
25. 25.In how many years will ₹9000 earn ₹1980 simple interest at 11% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
26. 26.In how many years will ₹5500 earn ₹660 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
27. 27.What is the simple interest on ₹8500 at 3% per year for 2 years? (a) ₹510 (b) ₹255 (c) ₹765 (d) ₹9010
28. 28.The simple interest on ₹2000 for 3 years is ₹180. What is the rate per year? (a) 2% (b) 4% (c) 9% (d) 3%
29. 29.₹5500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹5720 (b) ₹660 (c) ₹6160 (d) ₹6380
30. 30.₹8500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹11900 (b) ₹2550 (c) ₹11050 (d) ₹9350
31. 31.The simple interest on ₹2000 for 5 years is ₹800. What is the rate per year? (a) 8% (b) 7% (c) 9% (d) 40%
32. 32.What is the simple interest on ₹4500 at 6% per year for 3 years? (a) ₹5310 (b) ₹270 (c) ₹810 (d) ₹1080
33. 33.What is the simple interest on ₹3000 at 5% per year for 3 years? (a) ₹450 (b) ₹600 (c) ₹3450 (d) ₹150
34. 34.The simple interest on ₹3000 for 5 years is ₹600. What is the rate per year? (a) 5% (b) 20% (c) 3% (d) 4%
35. 35.The simple interest on ₹2500 for 4 years is ₹300. What is the rate per year? (a) 12% (b) 3% (c) 4% (d) 2%
36. 36.In how many years will ₹8500 earn ₹2550 simple interest at 6% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
37. 37.₹10000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹11100 (b) ₹12200 (c) ₹2200 (d) ₹13300
38. 38.The simple interest on ₹1500 for 2 years is ₹360. What is the rate per year? (a) 12% (b) 24% (c) 11% (d) 13%
39. 39.₹8000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8720 (b) ₹1440 (c) ₹9440 (d) ₹10160
40. 40.What is the simple interest on ₹8500 at 2% per year for 4 years? (a) ₹680 (b) ₹170 (c) ₹9180 (d) ₹850

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