Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 300 · 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.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹5720 (b) ₹880 (c) ₹6380 (d) ₹6600
2. 2.In how many years will ₹3000 earn ₹480 simple interest at 4% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
3. 3.What is the simple interest on ₹6000 at 3% per year for 3 years? (a) ₹6540 (b) ₹720 (c) ₹180 (d) ₹540
4. 4.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹3840 (b) ₹1050 (c) ₹210 (d) ₹840
5. 5.₹3500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹560 (b) ₹4060 (c) ₹4340 (d) ₹3780
6. 6.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹5175 (b) ₹675 (c) ₹135 (d) ₹810
7. 7.What is the simple interest on ₹6000 at 10% per year for 5 years? (a) ₹9000 (b) ₹600 (c) ₹3000 (d) ₹3600
8. 8.In how many years will ₹6500 earn ₹1170 simple interest at 9% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
9. 9.What is the simple interest on ₹6000 at 9% per year for 4 years? (a) ₹540 (b) ₹8160 (c) ₹2700 (d) ₹2160
10. 10.The simple interest on ₹7000 for 5 years is ₹4200. What is the rate per year? (a) 12% (b) 11% (c) 60% (d) 13%
11. 11.What is the simple interest on ₹3500 at 2% per year for 4 years? (a) ₹3780 (b) ₹280 (c) ₹350 (d) ₹70
12. 12.What is the simple interest on ₹6500 at 5% per year for 5 years? (a) ₹8125 (b) ₹1950 (c) ₹325 (d) ₹1625
13. 13.What is the simple interest on ₹4000 at 4% per year for 2 years? (a) ₹4320 (b) ₹480 (c) ₹320 (d) ₹160
14. 14.What is the simple interest on ₹5000 at 4% per year for 3 years? (a) ₹800 (b) ₹600 (c) ₹5600 (d) ₹200
15. 15.₹2000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2120 (b) ₹2040 (c) ₹80 (d) ₹2080
16. 16.The simple interest on ₹8000 for 5 years is ₹2800. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 35%
17. 17.₹1000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1090 (b) ₹450 (c) ₹1450 (d) ₹1540
18. 18.₹3500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹3710 (b) ₹840 (c) ₹4340 (d) ₹4550
19. 19.In how many years will ₹4000 earn ₹640 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
20. 20.The simple interest on ₹2500 for 3 years is ₹300. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 12%
21. 21.What is the simple interest on ₹1500 at 5% per year for 3 years? (a) ₹225 (b) ₹300 (c) ₹1725 (d) ₹75
22. 22.In how many years will ₹6500 earn ₹780 simple interest at 6% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
23. 23.In how many years will ₹5000 earn ₹1050 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
24. 24.In how many years will ₹2000 earn ₹480 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
25. 25.What is the simple interest on ₹3000 at 5% per year for 3 years? (a) ₹3450 (b) ₹150 (c) ₹600 (d) ₹450
26. 26.What is the simple interest on ₹6500 at 4% per year for 3 years? (a) ₹1040 (b) ₹780 (c) ₹7280 (d) ₹260
27. 27.₹3500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹4235 (b) ₹3745 (c) ₹735 (d) ₹4480
28. 28.In how many years will ₹3000 earn ₹360 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
29. 29.In how many years will ₹2000 earn ₹360 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
30. 30.In how many years will ₹2500 earn ₹500 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
31. 31.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹2040 (b) ₹680 (c) ₹2720 (d) ₹10540
32. 32.₹4500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹6120 (b) ₹5850 (c) ₹1350 (d) ₹4770
33. 33.In how many years will ₹6500 earn ₹1300 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
34. 34.The simple interest on ₹3500 for 5 years is ₹1575. What is the rate per year? (a) 10% (b) 45% (c) 9% (d) 8%
35. 35.The simple interest on ₹3500 for 4 years is ₹1120. What is the rate per year? (a) 32% (b) 7% (c) 8% (d) 9%
36. 36.What is the simple interest on ₹7500 at 7% per year for 2 years? (a) ₹525 (b) ₹8550 (c) ₹1575 (d) ₹1050
37. 37.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹350 (b) ₹8750 (c) ₹2100 (d) ₹1750
38. 38.In how many years will ₹10000 earn ₹3600 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
39. 39.What is the simple interest on ₹9500 at 5% per year for 3 years? (a) ₹1900 (b) ₹475 (c) ₹1425 (d) ₹10925
40. 40.The simple interest on ₹6500 for 5 years is ₹3250. What is the rate per year? (a) 10% (b) 11% (c) 50% (d) 9%

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