Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 841 · 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 ₹6500 earn ₹1040 simple interest at 4% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
2. 2.In how many years will ₹2500 earn ₹250 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
3. 3.The simple interest on ₹9000 for 5 years is ₹5400. What is the rate per year? (a) 13% (b) 12% (c) 60% (d) 11%
4. 4.The simple interest on ₹5000 for 2 years is ₹300. What is the rate per year? (a) 3% (b) 4% (c) 6% (d) 2%
5. 5.In how many years will ₹5000 earn ₹400 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
6. 6.What is the simple interest on ₹3000 at 10% per year for 2 years? (a) ₹300 (b) ₹900 (c) ₹3600 (d) ₹600
7. 7.The simple interest on ₹9000 for 3 years is ₹1350. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 15%
8. 8.What is the simple interest on ₹8500 at 12% per year for 2 years? (a) ₹1020 (b) ₹2040 (c) ₹3060 (d) ₹10540
9. 9.The simple interest on ₹6500 for 5 years is ₹2600. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 40%
10. 10.What is the simple interest on ₹3500 at 6% per year for 5 years? (a) ₹4550 (b) ₹210 (c) ₹1260 (d) ₹1050
11. 11.What is the simple interest on ₹3000 at 4% per year for 4 years? (a) ₹480 (b) ₹600 (c) ₹3480 (d) ₹120
12. 12.₹4500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2475 (b) ₹7470 (c) ₹6975 (d) ₹4995
13. 13.What is the simple interest on ₹7000 at 9% per year for 4 years? (a) ₹9520 (b) ₹630 (c) ₹2520 (d) ₹3150
14. 14.What is the simple interest on ₹9500 at 7% per year for 2 years? (a) ₹665 (b) ₹1330 (c) ₹1995 (d) ₹10830
15. 15.In how many years will ₹8500 earn ₹1360 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
16. 16.In how many years will ₹8000 earn ₹800 simple interest at 2% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
17. 17.The simple interest on ₹4000 for 3 years is ₹240. What is the rate per year? (a) 3% (b) 2% (c) 6% (d) 1%
18. 18.The simple interest on ₹5500 for 5 years is ₹2475. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 45%
19. 19.The simple interest on ₹1000 for 2 years is ₹140. What is the rate per year? (a) 14% (b) 8% (c) 7% (d) 6%
20. 20.In how many years will ₹4500 earn ₹1080 simple interest at 12% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
21. 21.The simple interest on ₹2500 for 3 years is ₹825. What is the rate per year? (a) 12% (b) 33% (c) 11% (d) 10%
22. 22.In how many years will ₹8500 earn ₹1700 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
23. 23.In how many years will ₹1000 earn ₹320 simple interest at 8% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
24. 24.In how many years will ₹7500 earn ₹300 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
25. 25.What is the simple interest on ₹4500 at 11% per year for 3 years? (a) ₹1980 (b) ₹5985 (c) ₹495 (d) ₹1485
26. 26.₹1500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1815 (b) ₹210 (c) ₹1710 (d) ₹1605
27. 27.The simple interest on ₹3500 for 3 years is ₹210. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 6%
28. 28.The simple interest on ₹4500 for 4 years is ₹360. What is the rate per year? (a) 2% (b) 8% (c) 3% (d) 1%
29. 29.In how many years will ₹8500 earn ₹1700 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
30. 30.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹80 (b) ₹2160 (c) ₹160 (d) ₹240
31. 31.₹10000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹12700 (b) ₹2700 (c) ₹10900 (d) ₹13600
32. 32.₹10000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹10300 (b) ₹11200 (c) ₹10900 (d) ₹900
33. 33.In how many years will ₹6500 earn ₹2080 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
34. 34.₹10000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹5000 (b) ₹15000 (c) ₹16000 (d) ₹11000
35. 35.₹2000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2880 (b) ₹2220 (c) ₹2660 (d) ₹660
36. 36.The simple interest on ₹1500 for 4 years is ₹360. What is the rate per year? (a) 6% (b) 24% (c) 5% (d) 7%
37. 37.What is the simple interest on ₹4500 at 11% per year for 2 years? (a) ₹495 (b) ₹5490 (c) ₹990 (d) ₹1485
38. 38.The simple interest on ₹7000 for 5 years is ₹2100. What is the rate per year? (a) 6% (b) 30% (c) 7% (d) 5%
39. 39.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹3450 (c) ₹3150 (d) ₹3300
40. 40.The simple interest on ₹10000 for 3 years is ₹3000. What is the rate per year? (a) 10% (b) 9% (c) 11% (d) 30%

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