Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 962 · 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 ₹2000 at 12% per year for 4 years? (a) ₹2960 (b) ₹240 (c) ₹1200 (d) ₹960
2. 2.In how many years will ₹3500 earn ₹525 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
3. 3.In how many years will ₹3000 earn ₹540 simple interest at 9% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
4. 4.₹4000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹4080 (b) ₹4160 (c) ₹160 (d) ₹4240
5. 5.In how many years will ₹7500 earn ₹2625 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
6. 6.The simple interest on ₹2500 for 2 years is ₹500. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 20%
7. 7.What is the simple interest on ₹6000 at 4% per year for 4 years? (a) ₹1200 (b) ₹960 (c) ₹240 (d) ₹6960
8. 8.The simple interest on ₹3000 for 4 years is ₹1080. What is the rate per year? (a) 36% (b) 8% (c) 9% (d) 10%
9. 9.What is the simple interest on ₹2500 at 8% per year for 4 years? (a) ₹1000 (b) ₹3300 (c) ₹800 (d) ₹200
10. 10.₹3000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1200 (b) ₹4500 (c) ₹3300 (d) ₹4200
11. 11.What is the simple interest on ₹2000 at 8% per year for 2 years? (a) ₹480 (b) ₹160 (c) ₹320 (d) ₹2320
12. 12.In how many years will ₹5000 earn ₹2500 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
13. 13.In how many years will ₹1000 earn ₹80 simple interest at 2% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
14. 14.₹7500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10200 (b) ₹10875 (c) ₹2700 (d) ₹8175
15. 15.What is the simple interest on ₹3000 at 2% per year for 5 years? (a) ₹60 (b) ₹300 (c) ₹360 (d) ₹3300
16. 16.In how many years will ₹10000 earn ₹2000 simple interest at 10% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
17. 17.The simple interest on ₹6000 for 3 years is ₹540. What is the rate per year? (a) 4% (b) 9% (c) 2% (d) 3%
18. 18.In how many years will ₹7000 earn ₹980 simple interest at 7% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
19. 19.What is the simple interest on ₹7500 at 11% per year for 4 years? (a) ₹3300 (b) ₹4125 (c) ₹10800 (d) ₹825
20. 20.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
21. 21.What is the simple interest on ₹4500 at 9% per year for 5 years? (a) ₹2025 (b) ₹405 (c) ₹2430 (d) ₹6525
22. 22.In how many years will ₹1000 earn ₹200 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
23. 23.The simple interest on ₹1500 for 4 years is ₹240. What is the rate per year? (a) 5% (b) 16% (c) 3% (d) 4%
24. 24.The simple interest on ₹2500 for 3 years is ₹900. What is the rate per year? (a) 11% (b) 36% (c) 13% (d) 12%
25. 25.The simple interest on ₹8000 for 5 years is ₹4000. What is the rate per year? (a) 9% (b) 11% (c) 50% (d) 10%
26. 26.What is the simple interest on ₹1000 at 9% per year for 5 years? (a) ₹540 (b) ₹90 (c) ₹450 (d) ₹1450
27. 27.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3605 (b) ₹3710 (c) ₹3815 (d) ₹210
28. 28.In how many years will ₹9500 earn ₹1425 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
29. 29.In how many years will ₹2500 earn ₹625 simple interest at 5% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
30. 30.₹3500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹3850 (b) ₹4025 (c) ₹350 (d) ₹3675
31. 31.The simple interest on ₹5000 for 4 years is ₹1800. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 36%
32. 32.₹9500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹12540 (b) ₹3040 (c) ₹13300 (d) ₹10260
33. 33.In how many years will ₹5000 earn ₹900 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
34. 34.₹2000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹180 (b) ₹2060 (c) ₹2240 (d) ₹2180
35. 35.In how many years will ₹4500 earn ₹990 simple interest at 11% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
36. 36.What is the simple interest on ₹6500 at 7% per year for 3 years? (a) ₹1820 (b) ₹7865 (c) ₹455 (d) ₹1365
37. 37.₹4500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹6120 (b) ₹5040 (c) ₹1080 (d) ₹5580
38. 38.What is the simple interest on ₹1000 at 5% per year for 5 years? (a) ₹300 (b) ₹250 (c) ₹50 (d) ₹1250
39. 39.₹10000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹10800 (b) ₹10200 (c) ₹10600 (d) ₹600
40. 40.What is the simple interest on ₹8500 at 10% per year for 5 years? (a) ₹4250 (b) ₹850 (c) ₹5100 (d) ₹12750

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