Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 924 · 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 ₹1140. What is the rate per year? (a) 5% (b) 12% (c) 3% (d) 4%
2. 2.What is the simple interest on ₹8500 at 6% per year for 4 years? (a) ₹510 (b) ₹10540 (c) ₹2040 (d) ₹2550
3. 3.In how many years will ₹2000 earn ₹480 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
4. 4.₹2500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹900 (b) ₹3625 (c) ₹2725 (d) ₹3400
5. 5.What is the simple interest on ₹4000 at 7% per year for 4 years? (a) ₹1120 (b) ₹280 (c) ₹1400 (d) ₹5120
6. 6.What is the simple interest on ₹6000 at 8% per year for 2 years? (a) ₹960 (b) ₹1440 (c) ₹6960 (d) ₹480
7. 7.The simple interest on ₹10000 for 4 years is ₹4000. What is the rate per year? (a) 11% (b) 40% (c) 10% (d) 9%
8. 8.In how many years will ₹1000 earn ₹200 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
9. 9.What is the simple interest on ₹1500 at 7% per year for 2 years? (a) ₹1710 (b) ₹315 (c) ₹105 (d) ₹210
10. 10.In how many years will ₹3000 earn ₹660 simple interest at 11% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
11. 11.The simple interest on ₹5000 for 2 years is ₹200. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 1%
12. 12.₹10000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹11000 (b) ₹15000 (c) ₹4000 (d) ₹14000
13. 13.₹5000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1000 (b) ₹6500 (c) ₹5500 (d) ₹6000
14. 14.What is the simple interest on ₹7500 at 10% per year for 5 years? (a) ₹11250 (b) ₹750 (c) ₹3750 (d) ₹4500
15. 15.In how many years will ₹5000 earn ₹1100 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
16. 16.What is the simple interest on ₹6500 at 7% per year for 3 years? (a) ₹455 (b) ₹1365 (c) ₹1820 (d) ₹7865
17. 17.The simple interest on ₹1500 for 3 years is ₹495. What is the rate per year? (a) 33% (b) 10% (c) 12% (d) 11%
18. 18.In how many years will ₹3500 earn ₹735 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
19. 19.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹675 (b) ₹2950 (c) ₹450 (d) ₹225
20. 20.₹6500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹6760 (b) ₹1300 (c) ₹7800 (d) ₹8060
21. 21.What is the simple interest on ₹3000 at 2% per year for 2 years? (a) ₹60 (b) ₹3120 (c) ₹120 (d) ₹180
22. 22.₹1500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹135 (b) ₹1680 (c) ₹1635 (d) ₹1545
23. 23.What is the simple interest on ₹8500 at 11% per year for 2 years? (a) ₹10370 (b) ₹2805 (c) ₹935 (d) ₹1870
24. 24.What is the simple interest on ₹2500 at 6% per year for 5 years? (a) ₹150 (b) ₹900 (c) ₹3250 (d) ₹750
25. 25.In how many years will ₹9500 earn ₹950 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
26. 26.In how many years will ₹8500 earn ₹765 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
27. 27.What is the simple interest on ₹6000 at 11% per year for 2 years? (a) ₹660 (b) ₹1980 (c) ₹7320 (d) ₹1320
28. 28.The simple interest on ₹1000 for 3 years is ₹300. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 30%
29. 29.₹10000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹13600 (b) ₹10900 (c) ₹3600 (d) ₹14500
30. 30.₹6500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹975 (b) ₹6825 (c) ₹7800 (d) ₹7475
31. 31.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
32. 32.In how many years will ₹1000 earn ₹240 simple interest at 12% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
33. 33.₹4500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹5040 (b) ₹540 (c) ₹4770 (d) ₹5310
34. 34.The simple interest on ₹7000 for 5 years is ₹3500. What is the rate per year? (a) 50% (b) 10% (c) 9% (d) 11%
35. 35.₹1500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2040 (b) ₹2175 (c) ₹1635 (d) ₹540
36. 36.₹9000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹11160 (b) ₹9540 (c) ₹2160 (d) ₹11700
37. 37.In how many years will ₹3000 earn ₹1200 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
38. 38.In how many years will ₹3500 earn ₹140 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
39. 39.The simple interest on ₹9500 for 5 years is ₹4750. What is the rate per year? (a) 10% (b) 50% (c) 9% (d) 11%
40. 40.The simple interest on ₹2500 for 4 years is ₹500. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 20%

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