Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 872 · 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.In how many years will ₹5500 earn ₹990 simple interest at 6% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
2. 2.₹7000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹420 (b) ₹7140 (c) ₹7420 (d) ₹7560
3. 3.₹8000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹10880 (b) ₹9920 (c) ₹1920 (d) ₹8960
4. 4.The simple interest on ₹1000 for 5 years is ₹500. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 50%
5. 5.What is the simple interest on ₹8000 at 8% per year for 5 years? (a) ₹3200 (b) ₹640 (c) ₹3840 (d) ₹11200
6. 6.In how many years will ₹5000 earn ₹1800 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
7. 7.The simple interest on ₹4500 for 5 years is ₹1350. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 30%
8. 8.What is the simple interest on ₹3000 at 8% per year for 5 years? (a) ₹240 (b) ₹4200 (c) ₹1440 (d) ₹1200
9. 9.₹1500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹1995 (b) ₹2160 (c) ₹495 (d) ₹1665
10. 10.The simple interest on ₹2500 for 5 years is ₹1125. What is the rate per year? (a) 8% (b) 9% (c) 45% (d) 10%
11. 11.In how many years will ₹9000 earn ₹2700 simple interest at 6% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
12. 12.The simple interest on ₹1500 for 4 years is ₹180. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 12%
13. 13.The simple interest on ₹1500 for 4 years is ₹720. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 48%
14. 14.What is the simple interest on ₹9500 at 6% per year for 4 years? (a) ₹2850 (b) ₹570 (c) ₹11780 (d) ₹2280
15. 15.In how many years will ₹6500 earn ₹2600 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
16. 16.What is the simple interest on ₹9500 at 5% per year for 5 years? (a) ₹475 (b) ₹11875 (c) ₹2850 (d) ₹2375
17. 17.What is the simple interest on ₹8500 at 5% per year for 2 years? (a) ₹850 (b) ₹1275 (c) ₹425 (d) ₹9350
18. 18.What is the simple interest on ₹6500 at 7% per year for 3 years? (a) ₹7865 (b) ₹455 (c) ₹1365 (d) ₹1820
19. 19.₹4500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹5040 (b) ₹1080 (c) ₹6120 (d) ₹5580
20. 20.What is the simple interest on ₹6500 at 12% per year for 2 years? (a) ₹2340 (b) ₹780 (c) ₹1560 (d) ₹8060
21. 21.In how many years will ₹1000 earn ₹40 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
22. 22.The simple interest on ₹2500 for 5 years is ₹750. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 30%
23. 23.What is the simple interest on ₹5500 at 11% per year for 2 years? (a) ₹605 (b) ₹1210 (c) ₹6710 (d) ₹1815
24. 24.What is the simple interest on ₹2000 at 7% per year for 5 years? (a) ₹2700 (b) ₹140 (c) ₹700 (d) ₹840
25. 25.In how many years will ₹4500 earn ₹1080 simple interest at 6% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
26. 26.In how many years will ₹6500 earn ₹3575 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
27. 27.In how many years will ₹4500 earn ₹990 simple interest at 11% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
28. 28.₹2500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹825 (b) ₹3325 (c) ₹2775 (d) ₹3600
29. 29.The simple interest on ₹7500 for 2 years is ₹1800. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 24%
30. 30.In how many years will ₹4000 earn ₹320 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
31. 31.In how many years will ₹3500 earn ₹280 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
32. 32.₹5500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹6105 (b) ₹6710 (c) ₹7315 (d) ₹1210
33. 33.₹1500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1605 (b) ₹315 (c) ₹1920 (d) ₹1815
34. 34.In how many years will ₹1500 earn ₹600 simple interest at 10% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
35. 35.In how many years will ₹5500 earn ₹440 simple interest at 2% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
36. 36.₹4000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4440 (b) ₹6200 (c) ₹6640 (d) ₹2200
37. 37.₹2500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹225 (b) ₹2575 (c) ₹2800 (d) ₹2725
38. 38.The simple interest on ₹9500 for 5 years is ₹4275. What is the rate per year? (a) 10% (b) 9% (c) 45% (d) 8%
39. 39.What is the simple interest on ₹4500 at 4% per year for 5 years? (a) ₹180 (b) ₹1080 (c) ₹5400 (d) ₹900
40. 40.What is the simple interest on ₹7000 at 2% per year for 2 years? (a) ₹7280 (b) ₹420 (c) ₹280 (d) ₹140

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