Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 799 · 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 ₹2000 for 4 years is ₹960. What is the rate per year? (a) 48% (b) 12% (c) 11% (d) 13%
2. 2.In how many years will ₹9500 earn ₹3135 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
3. 3.₹3500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹945 (b) ₹3815 (c) ₹4760 (d) ₹4445
4. 4.What is the simple interest on ₹9000 at 5% per year for 4 years? (a) ₹1800 (b) ₹10800 (c) ₹450 (d) ₹2250
5. 5.In how many years will ₹6500 earn ₹390 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
6. 6.₹4500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹6660 (b) ₹6120 (c) ₹1620 (d) ₹5040
7. 7.The simple interest on ₹2500 for 4 years is ₹300. What is the rate per year? (a) 12% (b) 3% (c) 4% (d) 2%
8. 8.The simple interest on ₹10000 for 5 years is ₹4500. What is the rate per year? (a) 45% (b) 9% (c) 10% (d) 8%
9. 9.In how many years will ₹4000 earn ₹560 simple interest at 7% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
10. 10.In how many years will ₹8500 earn ₹1700 simple interest at 4% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
11. 11.In how many years will ₹6000 earn ₹1440 simple interest at 12% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
12. 12.What is the simple interest on ₹10000 at 3% per year for 2 years? (a) ₹10600 (b) ₹900 (c) ₹300 (d) ₹600
13. 13.₹9500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹11590 (b) ₹10545 (c) ₹12635 (d) ₹2090
14. 14.The simple interest on ₹9000 for 4 years is ₹720. What is the rate per year? (a) 2% (b) 8% (c) 1% (d) 3%
15. 15.What is the simple interest on ₹6000 at 11% per year for 4 years? (a) ₹3300 (b) ₹660 (c) ₹2640 (d) ₹8640
16. 16.What is the simple interest on ₹8000 at 11% per year for 2 years? (a) ₹9760 (b) ₹1760 (c) ₹880 (d) ₹2640
17. 17.₹4500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹5850 (b) ₹5400 (c) ₹900 (d) ₹4950
18. 18.The simple interest on ₹6500 for 3 years is ₹1560. What is the rate per year? (a) 24% (b) 7% (c) 9% (d) 8%
19. 19.The simple interest on ₹6500 for 3 years is ₹975. What is the rate per year? (a) 15% (b) 4% (c) 6% (d) 5%
20. 20.In how many years will ₹5000 earn ₹750 simple interest at 3% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
21. 21.The simple interest on ₹10000 for 5 years is ₹1000. What is the rate per year? (a) 10% (b) 3% (c) 2% (d) 1%
22. 22.₹9500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹14630 (b) ₹13775 (c) ₹4275 (d) ₹10355
23. 23.In how many years will ₹1500 earn ₹150 simple interest at 2% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
24. 24.The simple interest on ₹4000 for 5 years is ₹800. What is the rate per year? (a) 20% (b) 5% (c) 3% (d) 4%
25. 25.₹6000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹8160 (b) ₹6720 (c) ₹8880 (d) ₹2160
26. 26.In how many years will ₹7000 earn ₹2520 simple interest at 9% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
27. 27.In how many years will ₹9000 earn ₹3240 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
28. 28.₹1000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹1120 (b) ₹90 (c) ₹1030 (d) ₹1090
29. 29.What is the simple interest on ₹4000 at 4% per year for 2 years? (a) ₹480 (b) ₹4320 (c) ₹320 (d) ₹160
30. 30.In how many years will ₹1500 earn ₹240 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
31. 31.₹3500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹700 (b) ₹4340 (c) ₹3640 (d) ₹4200
32. 32.What is the simple interest on ₹5000 at 3% per year for 5 years? (a) ₹900 (b) ₹5750 (c) ₹150 (d) ₹750
33. 33.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹3600 (b) ₹600 (c) ₹720 (d) ₹120
34. 34.What is the simple interest on ₹3500 at 11% per year for 2 years? (a) ₹770 (b) ₹1155 (c) ₹385 (d) ₹4270
35. 35.The simple interest on ₹1000 for 3 years is ₹270. What is the rate per year? (a) 9% (b) 27% (c) 8% (d) 10%
36. 36.₹1000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1080 (b) ₹160 (c) ₹1240 (d) ₹1160
37. 37.What is the simple interest on ₹2000 at 4% per year for 5 years? (a) ₹480 (b) ₹80 (c) ₹400 (d) ₹2400
38. 38.₹6000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹6540 (b) ₹2700 (c) ₹9240 (d) ₹8700
39. 39.What is the simple interest on ₹1000 at 11% per year for 3 years? (a) ₹1330 (b) ₹330 (c) ₹110 (d) ₹440
40. 40.In how many years will ₹6500 earn ₹1040 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years

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