Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 666 · 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.What is the simple interest on ₹3500 at 9% per year for 4 years? (a) ₹1260 (b) ₹1575 (c) ₹315 (d) ₹4760
2. 2.What is the simple interest on ₹2000 at 4% per year for 4 years? (a) ₹400 (b) ₹320 (c) ₹2320 (d) ₹80
3. 3.The simple interest on ₹9000 for 2 years is ₹900. What is the rate per year? (a) 4% (b) 10% (c) 5% (d) 6%
4. 4.The simple interest on ₹3500 for 3 years is ₹1050. What is the rate per year? (a) 30% (b) 11% (c) 9% (d) 10%
5. 5.The simple interest on ₹2000 for 3 years is ₹720. What is the rate per year? (a) 11% (b) 12% (c) 36% (d) 13%
6. 6.₹2000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2300 (b) ₹2060 (c) ₹2360 (d) ₹300
7. 7.What is the simple interest on ₹5500 at 5% per year for 3 years? (a) ₹6325 (b) ₹1100 (c) ₹275 (d) ₹825
8. 8.The simple interest on ₹8000 for 5 years is ₹3600. What is the rate per year? (a) 9% (b) 10% (c) 8% (d) 45%
9. 9.The simple interest on ₹3000 for 3 years is ₹180. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 6%
10. 10.In how many years will ₹3000 earn ₹480 simple interest at 4% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
11. 11.What is the simple interest on ₹3500 at 12% per year for 5 years? (a) ₹5600 (b) ₹2100 (c) ₹2520 (d) ₹420
12. 12.The simple interest on ₹1500 for 3 years is ₹270. What is the rate per year? (a) 6% (b) 18% (c) 7% (d) 5%
13. 13.In how many years will ₹1500 earn ₹360 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
14. 14.The simple interest on ₹6500 for 4 years is ₹3120. What is the rate per year? (a) 12% (b) 48% (c) 13% (d) 11%
15. 15.₹1000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹1480 (c) ₹1360 (d) ₹1120
16. 16.₹5500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹770 (b) ₹5885 (c) ₹6270 (d) ₹6655
17. 17.₹3000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹3600 (b) ₹3120 (c) ₹3720 (d) ₹600
18. 18.What is the simple interest on ₹2500 at 12% per year for 4 years? (a) ₹1500 (b) ₹3700 (c) ₹1200 (d) ₹300
19. 19.In how many years will ₹1000 earn ₹80 simple interest at 2% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
20. 20.₹4000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹4360 (b) ₹360 (c) ₹4120 (d) ₹4480
21. 21.What is the simple interest on ₹1000 at 2% per year for 5 years? (a) ₹20 (b) ₹120 (c) ₹1100 (d) ₹100
22. 22.₹3000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹4080 (c) ₹4350 (d) ₹3270
23. 23.The simple interest on ₹1500 for 5 years is ₹825. What is the rate per year? (a) 55% (b) 10% (c) 12% (d) 11%
24. 24.₹1500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹2400 (b) ₹2220 (c) ₹720 (d) ₹1680
25. 25.In how many years will ₹8500 earn ₹1020 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
26. 26.In how many years will ₹5500 earn ₹1210 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
27. 27.In how many years will ₹7000 earn ₹1400 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
28. 28.In how many years will ₹1500 earn ₹150 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
29. 29.The simple interest on ₹6500 for 2 years is ₹1300. What is the rate per year? (a) 20% (b) 9% (c) 11% (d) 10%
30. 30.₹2500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹500 (b) ₹2600 (c) ₹3100 (d) ₹3000
31. 31.What is the simple interest on ₹5500 at 9% per year for 3 years? (a) ₹495 (b) ₹1980 (c) ₹1485 (d) ₹6985
32. 32.The simple interest on ₹5000 for 3 years is ₹1050. What is the rate per year? (a) 7% (b) 21% (c) 8% (d) 6%
33. 33.What is the simple interest on ₹1000 at 6% per year for 2 years? (a) ₹180 (b) ₹1120 (c) ₹60 (d) ₹120
34. 34.₹7000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3360 (b) ₹11200 (c) ₹7840 (d) ₹10360
35. 35.The simple interest on ₹8500 for 2 years is ₹850. What is the rate per year? (a) 10% (b) 6% (c) 5% (d) 4%
36. 36.In how many years will ₹4000 earn ₹840 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
37. 37.The simple interest on ₹2500 for 2 years is ₹100. What is the rate per year? (a) 2% (b) 1% (c) 4% (d) 3%
38. 38.In how many years will ₹5500 earn ₹440 simple interest at 4% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
39. 39.What is the simple interest on ₹8000 at 7% per year for 4 years? (a) ₹10240 (b) ₹560 (c) ₹2800 (d) ₹2240
40. 40.The simple interest on ₹9500 for 4 years is ₹2280. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 24%

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