Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 614 · 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 ₹6000 for 3 years is ₹1080. What is the rate per year? (a) 18% (b) 6% (c) 5% (d) 7%
2. 2.The simple interest on ₹2000 for 4 years is ₹320. What is the rate per year? (a) 3% (b) 16% (c) 5% (d) 4%
3. 3.In how many years will ₹9500 earn ₹5225 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
4. 4.In how many years will ₹3500 earn ₹525 simple interest at 5% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
5. 5.What is the simple interest on ₹3500 at 7% per year for 2 years? (a) ₹3990 (b) ₹735 (c) ₹490 (d) ₹245
6. 6.In how many years will ₹9500 earn ₹570 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
7. 7.In how many years will ₹6500 earn ₹260 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
8. 8.In how many years will ₹6500 earn ₹2600 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
9. 9.What is the simple interest on ₹4000 at 3% per year for 5 years? (a) ₹120 (b) ₹600 (c) ₹720 (d) ₹4600
10. 10.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹525 (b) ₹2850 (c) ₹175 (d) ₹350
11. 11.The simple interest on ₹2000 for 5 years is ₹1000. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 50%
12. 12.The simple interest on ₹3500 for 3 years is ₹315. What is the rate per year? (a) 4% (b) 3% (c) 9% (d) 2%
13. 13.₹3500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹3605 (b) ₹4130 (c) ₹525 (d) ₹4025
14. 14.The simple interest on ₹8500 for 3 years is ₹3060. What is the rate per year? (a) 11% (b) 12% (c) 13% (d) 36%
15. 15.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
16. 16.The simple interest on ₹6500 for 3 years is ₹390. What is the rate per year? (a) 3% (b) 2% (c) 6% (d) 1%
17. 17.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 4%
18. 18.What is the simple interest on ₹1000 at 8% per year for 4 years? (a) ₹320 (b) ₹80 (c) ₹400 (d) ₹1320
19. 19.The simple interest on ₹3000 for 5 years is ₹300. What is the rate per year? (a) 2% (b) 1% (c) 10% (d) 3%
20. 20.The simple interest on ₹1500 for 5 years is ₹600. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 40%
21. 21.In how many years will ₹1000 earn ₹500 simple interest at 10% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
22. 22.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹880 (b) ₹5720 (c) ₹6600 (d) ₹6380
23. 23.In how many years will ₹6500 earn ₹2275 simple interest at 7% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
24. 24.₹10000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹10800 (b) ₹800 (c) ₹10200 (d) ₹11000
25. 25.In how many years will ₹6500 earn ₹650 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
26. 26.₹1500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1860 (b) ₹1980 (c) ₹1620 (d) ₹360
27. 27.What is the simple interest on ₹9500 at 8% per year for 4 years? (a) ₹760 (b) ₹3040 (c) ₹3800 (d) ₹12540
28. 28.₹2500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2575 (b) ₹375 (c) ₹2950 (d) ₹2875
29. 29.What is the simple interest on ₹6500 at 4% per year for 4 years? (a) ₹1300 (b) ₹260 (c) ₹7540 (d) ₹1040
30. 30.₹6000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹3600 (b) ₹6720 (c) ₹10320 (d) ₹9600
31. 31.What is the simple interest on ₹4000 at 9% per year for 2 years? (a) ₹1080 (b) ₹360 (c) ₹4720 (d) ₹720
32. 32.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10030 (b) ₹1275 (c) ₹9775 (d) ₹8755
33. 33.₹5500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹660 (b) ₹6325 (c) ₹5665 (d) ₹6160
34. 34.₹2500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹250 (b) ₹2875 (c) ₹2750 (d) ₹2625
35. 35.₹8000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹10640 (b) ₹9760 (c) ₹8880 (d) ₹1760
36. 36.₹6500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹7215 (b) ₹1430 (c) ₹7930 (d) ₹8645
37. 37.In how many years will ₹5000 earn ₹1250 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
38. 38.In how many years will ₹5000 earn ₹1100 simple interest at 11% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
39. 39.₹7000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹8960 (b) ₹8470 (c) ₹1470 (d) ₹7490
40. 40.₹5500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1210 (b) ₹6105 (c) ₹7315 (d) ₹6710

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