Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 417 · 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 ₹6000 earn ₹2100 simple interest at 7% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
2. 2.₹6000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹6120 (b) ₹6480 (c) ₹6600 (d) ₹480
3. 3.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹1320 (b) ₹4880 (c) ₹880 (d) ₹440
4. 4.The simple interest on ₹8000 for 3 years is ₹720. What is the rate per year? (a) 9% (b) 3% (c) 4% (d) 2%
5. 5.In how many years will ₹1000 earn ₹200 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
6. 6.The simple interest on ₹9000 for 3 years is ₹1350. What is the rate per year? (a) 15% (b) 4% (c) 5% (d) 6%
7. 7.What is the simple interest on ₹2000 at 10% per year for 5 years? (a) ₹200 (b) ₹1200 (c) ₹3000 (d) ₹1000
8. 8.What is the simple interest on ₹3000 at 6% per year for 5 years? (a) ₹3900 (b) ₹180 (c) ₹900 (d) ₹1080
9. 9.₹6500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹7800 (b) ₹1300 (c) ₹6760 (d) ₹8060
10. 10.In how many years will ₹9000 earn ₹900 simple interest at 5% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
11. 11.In how many years will ₹7500 earn ₹450 simple interest at 2% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
12. 12.The simple interest on ₹6000 for 4 years is ₹720. What is the rate per year? (a) 4% (b) 2% (c) 12% (d) 3%
13. 13.In how many years will ₹10000 earn ₹4000 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
14. 14.In how many years will ₹2000 earn ₹1000 simple interest at 10% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
15. 15.The simple interest on ₹8500 for 3 years is ₹2040. What is the rate per year? (a) 8% (b) 9% (c) 7% (d) 24%
16. 16.In how many years will ₹7000 earn ₹1050 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
17. 17.The simple interest on ₹1000 for 3 years is ₹60. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 6%
18. 18.What is the simple interest on ₹8500 at 7% per year for 5 years? (a) ₹595 (b) ₹3570 (c) ₹2975 (d) ₹11475
19. 19.What is the simple interest on ₹3500 at 4% per year for 5 years? (a) ₹4200 (b) ₹700 (c) ₹840 (d) ₹140
20. 20.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹840 (b) ₹7630 (c) ₹210 (d) ₹630
21. 21.₹5500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹5775 (b) ₹6325 (c) ₹6050 (d) ₹550
22. 22.The simple interest on ₹9000 for 2 years is ₹2160. What is the rate per year? (a) 13% (b) 12% (c) 24% (d) 11%
23. 23.What is the simple interest on ₹6500 at 12% per year for 3 years? (a) ₹780 (b) ₹3120 (c) ₹2340 (d) ₹8840
24. 24.In how many years will ₹6000 earn ₹1440 simple interest at 12% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
25. 25.What is the simple interest on ₹4500 at 10% per year for 3 years? (a) ₹5850 (b) ₹1800 (c) ₹1350 (d) ₹450
26. 26.In how many years will ₹2000 earn ₹800 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
27. 27.The simple interest on ₹4500 for 3 years is ₹675. What is the rate per year? (a) 6% (b) 15% (c) 4% (d) 5%
28. 28.The simple interest on ₹9500 for 3 years is ₹2850. What is the rate per year? (a) 11% (b) 9% (c) 30% (d) 10%
29. 29.What is the simple interest on ₹9000 at 10% per year for 5 years? (a) ₹900 (b) ₹13500 (c) ₹5400 (d) ₹4500
30. 30.The simple interest on ₹2500 for 2 years is ₹150. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 4%
31. 31.In how many years will ₹3500 earn ₹1155 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
32. 32.What is the simple interest on ₹10000 at 7% per year for 2 years? (a) ₹2100 (b) ₹11400 (c) ₹700 (d) ₹1400
33. 33.₹7000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹10500 (b) ₹3500 (c) ₹11200 (d) ₹7700
34. 34.₹1000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹60 (b) ₹1060 (c) ₹1080 (d) ₹1020
35. 35.The simple interest on ₹7000 for 2 years is ₹280. What is the rate per year? (a) 2% (b) 1% (c) 4% (d) 3%
36. 36.What is the simple interest on ₹1500 at 9% per year for 3 years? (a) ₹1905 (b) ₹405 (c) ₹540 (d) ₹135
37. 37.In how many years will ₹1500 earn ₹900 simple interest at 12% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
38. 38.₹8500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹9520 (b) ₹9265 (c) ₹765 (d) ₹8755
39. 39.What is the simple interest on ₹1000 at 7% per year for 4 years? (a) ₹280 (b) ₹70 (c) ₹1280 (d) ₹350
40. 40.₹4000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹800 (b) ₹5200 (c) ₹4800 (d) ₹4400

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