Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 1 · 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.₹4000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹4200 (b) ₹1000 (c) ₹5200 (d) ₹5000
2. 2.What is the simple interest on ₹5000 at 3% per year for 5 years? (a) ₹150 (b) ₹900 (c) ₹750 (d) ₹5750
3. 3.What is the simple interest on ₹2000 at 5% per year for 5 years? (a) ₹100 (b) ₹600 (c) ₹2500 (d) ₹500
4. 4.What is the simple interest on ₹9500 at 2% per year for 2 years? (a) ₹570 (b) ₹9880 (c) ₹380 (d) ₹190
5. 5.In how many years will ₹4500 earn ₹1215 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
6. 6.₹3000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹3990 (b) ₹660 (c) ₹3330 (d) ₹3660
7. 7.The simple interest on ₹9500 for 5 years is ₹4275. What is the rate per year? (a) 45% (b) 10% (c) 8% (d) 9%
8. 8.₹6000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹6180 (b) ₹6720 (c) ₹540 (d) ₹6540
9. 9.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹840 (b) ₹210 (c) ₹7630 (d) ₹630
10. 10.The simple interest on ₹4500 for 3 years is ₹270. What is the rate per year? (a) 1% (b) 6% (c) 2% (d) 3%
11. 11.What is the simple interest on ₹9500 at 7% per year for 3 years? (a) ₹1995 (b) ₹11495 (c) ₹2660 (d) ₹665
12. 12.The simple interest on ₹1000 for 2 years is ₹120. What is the rate per year? (a) 7% (b) 6% (c) 12% (d) 5%
13. 13.What is the simple interest on ₹7500 at 10% per year for 4 years? (a) ₹3000 (b) ₹3750 (c) ₹10500 (d) ₹750
14. 14.The simple interest on ₹4000 for 2 years is ₹560. What is the rate per year? (a) 6% (b) 7% (c) 14% (d) 8%
15. 15.What is the simple interest on ₹2000 at 2% per year for 3 years? (a) ₹40 (b) ₹2120 (c) ₹160 (d) ₹120
16. 16.₹5500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹5775 (b) ₹7150 (c) ₹1375 (d) ₹6875
17. 17.₹4000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹4120 (b) ₹360 (c) ₹4480 (d) ₹4360
18. 18.In how many years will ₹8500 earn ₹4250 simple interest at 10% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
19. 19.What is the simple interest on ₹1000 at 2% per year for 2 years? (a) ₹40 (b) ₹20 (c) ₹1040 (d) ₹60
20. 20.In how many years will ₹6500 earn ₹910 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
21. 21.₹6000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹7980 (b) ₹1320 (c) ₹6660 (d) ₹7320
22. 22.₹8000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10160 (b) ₹8720 (c) ₹2160 (d) ₹10880
23. 23.The simple interest on ₹7500 for 2 years is ₹300. What is the rate per year? (a) 2% (b) 1% (c) 4% (d) 3%
24. 24.The simple interest on ₹3000 for 4 years is ₹840. What is the rate per year? (a) 8% (b) 7% (c) 28% (d) 6%
25. 25.In how many years will ₹8000 earn ₹2800 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
26. 26.In how many years will ₹7500 earn ₹1500 simple interest at 10% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
27. 27.In how many years will ₹5500 earn ₹1320 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
28. 28.The simple interest on ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 22% (b) 10% (c) 11% (d) 12%
29. 29.The simple interest on ₹1500 for 4 years is ₹480. What is the rate per year? (a) 32% (b) 7% (c) 8% (d) 9%
30. 30.In how many years will ₹6000 earn ₹840 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
31. 31.The simple interest on ₹4500 for 5 years is ₹2025. What is the rate per year? (a) 9% (b) 10% (c) 45% (d) 8%
32. 32.What is the simple interest on ₹2500 at 2% per year for 5 years? (a) ₹300 (b) ₹2750 (c) ₹250 (d) ₹50
33. 33.₹8500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹13600 (b) ₹9520 (c) ₹4080 (d) ₹12580
34. 34.The simple interest on ₹4500 for 5 years is ₹675. What is the rate per year? (a) 2% (b) 3% (c) 15% (d) 4%
35. 35.In how many years will ₹4000 earn ₹880 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
36. 36.The simple interest on ₹4000 for 2 years is ₹480. What is the rate per year? (a) 6% (b) 12% (c) 5% (d) 7%
37. 37.What is the simple interest on ₹1500 at 10% per year for 2 years? (a) ₹300 (b) ₹450 (c) ₹1800 (d) ₹150
38. 38.What is the simple interest on ₹3000 at 5% per year for 5 years? (a) ₹900 (b) ₹150 (c) ₹3750 (d) ₹750
39. 39.₹3500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹4550 (b) ₹875 (c) ₹4375 (d) ₹3675
40. 40.₹5500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1925 (b) ₹5885 (c) ₹7425 (d) ₹7810

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