Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 155 · 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 ₹5500 earn ₹660 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
2. 2.The simple interest on ₹9500 for 2 years is ₹1140. What is the rate per year? (a) 12% (b) 6% (c) 5% (d) 7%
3. 3.₹4500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹5580 (b) ₹900 (c) ₹4680 (d) ₹5400
4. 4.What is the simple interest on ₹4500 at 11% per year for 4 years? (a) ₹495 (b) ₹1980 (c) ₹2475 (d) ₹6480
5. 5.In how many years will ₹9500 earn ₹760 simple interest at 4% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
6. 6.The simple interest on ₹2500 for 5 years is ₹1125. What is the rate per year? (a) 10% (b) 45% (c) 8% (d) 9%
7. 7.What is the simple interest on ₹8000 at 9% per year for 5 years? (a) ₹720 (b) ₹3600 (c) ₹11600 (d) ₹4320
8. 8.The simple interest on ₹6500 for 3 years is ₹1755. What is the rate per year? (a) 9% (b) 10% (c) 27% (d) 8%
9. 9.In how many years will ₹10000 earn ₹800 simple interest at 2% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
10. 10.₹1500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹120 (b) ₹1680 (c) ₹1620 (d) ₹1560
11. 11.The simple interest on ₹1000 for 2 years is ₹100. What is the rate per year? (a) 6% (b) 10% (c) 4% (d) 5%
12. 12.The simple interest on ₹3500 for 2 years is ₹210. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 6%
13. 13.What is the simple interest on ₹1500 at 9% per year for 2 years? (a) ₹1770 (b) ₹405 (c) ₹135 (d) ₹270
14. 14.₹8500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹8670 (b) ₹9180 (c) ₹680 (d) ₹9350
15. 15.₹1500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2220 (b) ₹540 (c) ₹2040 (d) ₹1680
16. 16.The simple interest on ₹10000 for 5 years is ₹5000. What is the rate per year? (a) 50% (b) 11% (c) 9% (d) 10%
17. 17.What is the simple interest on ₹5000 at 3% per year for 4 years? (a) ₹5600 (b) ₹600 (c) ₹150 (d) ₹750
18. 18.In how many years will ₹3500 earn ₹1400 simple interest at 10% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
19. 19.The simple interest on ₹3500 for 5 years is ₹525. What is the rate per year? (a) 2% (b) 4% (c) 15% (d) 3%
20. 20.The simple interest on ₹1500 for 4 years is ₹720. What is the rate per year? (a) 11% (b) 13% (c) 48% (d) 12%
21. 21.What is the simple interest on ₹4500 at 11% per year for 2 years? (a) ₹5490 (b) ₹495 (c) ₹1485 (d) ₹990
22. 22.In how many years will ₹6500 earn ₹3900 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
23. 23.The simple interest on ₹2000 for 3 years is ₹720. What is the rate per year? (a) 13% (b) 12% (c) 11% (d) 36%
24. 24.₹9000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹9540 (b) ₹11700 (c) ₹2700 (d) ₹12240
25. 25.In how many years will ₹5000 earn ₹700 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
26. 26.What is the simple interest on ₹7000 at 3% per year for 4 years? (a) ₹840 (b) ₹7840 (c) ₹1050 (d) ₹210
27. 27.What is the simple interest on ₹4000 at 9% per year for 2 years? (a) ₹1080 (b) ₹720 (c) ₹4720 (d) ₹360
28. 28.₹8000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8240 (b) ₹9440 (c) ₹1200 (d) ₹9200
29. 29.₹4000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹4080 (b) ₹4240 (c) ₹4320 (d) ₹240
30. 30.The simple interest on ₹1500 for 3 years is ₹495. What is the rate per year? (a) 11% (b) 10% (c) 33% (d) 12%
31. 31.What is the simple interest on ₹9500 at 11% per year for 5 years? (a) ₹1045 (b) ₹6270 (c) ₹5225 (d) ₹14725
32. 32.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 4% (b) 3% (c) 6% (d) 2%
33. 33.In how many years will ₹3000 earn ₹1080 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
34. 34.In how many years will ₹3500 earn ₹1540 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
35. 35.In how many years will ₹7500 earn ₹1200 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
36. 36.The simple interest on ₹6500 for 4 years is ₹2600. What is the rate per year? (a) 10% (b) 40% (c) 9% (d) 11%
37. 37.The simple interest on ₹4000 for 4 years is ₹640. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 16%
38. 38.The simple interest on ₹6500 for 4 years is ₹3120. What is the rate per year? (a) 12% (b) 13% (c) 48% (d) 11%
39. 39.What is the simple interest on ₹6500 at 3% per year for 4 years? (a) ₹780 (b) ₹975 (c) ₹7280 (d) ₹195
40. 40.What is the simple interest on ₹1500 at 4% per year for 5 years? (a) ₹300 (b) ₹360 (c) ₹60 (d) ₹1800

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