Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 208 · 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 ₹1500 earn ₹60 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
2. 2.The simple interest on ₹4000 for 3 years is ₹240. What is the rate per year? (a) 3% (b) 6% (c) 2% (d) 1%
3. 3.What is the simple interest on ₹5500 at 3% per year for 3 years? (a) ₹165 (b) ₹5995 (c) ₹495 (d) ₹660
4. 4.In how many years will ₹8500 earn ₹4250 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
5. 5.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹3780 (b) ₹280 (c) ₹140 (d) ₹420
6. 6.In how many years will ₹1500 earn ₹825 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
7. 7.₹1000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹550 (b) ₹1550 (c) ₹1660 (d) ₹1110
8. 8.The simple interest on ₹6500 for 3 years is ₹1755. What is the rate per year? (a) 8% (b) 27% (c) 9% (d) 10%
9. 9.What is the simple interest on ₹5000 at 3% per year for 5 years? (a) ₹150 (b) ₹5750 (c) ₹900 (d) ₹750
10. 10.In how many years will ₹3500 earn ₹1120 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
11. 11.What is the simple interest on ₹6000 at 5% per year for 2 years? (a) ₹6600 (b) ₹900 (c) ₹300 (d) ₹600
12. 12.In how many years will ₹4500 earn ₹1080 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
13. 13.₹9500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹9690 (b) ₹10450 (c) ₹10640 (d) ₹950
14. 14.In how many years will ₹7500 earn ₹450 simple interest at 2% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
15. 15.In how many years will ₹7500 earn ₹1125 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
16. 16.₹8500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹11220 (b) ₹10540 (c) ₹2040 (d) ₹9180
17. 17.The simple interest on ₹5500 for 3 years is ₹1320. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 24%
18. 18.₹8000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹8320 (b) ₹8480 (c) ₹8160 (d) ₹320
19. 19.What is the simple interest on ₹7500 at 11% per year for 4 years? (a) ₹825 (b) ₹4125 (c) ₹3300 (d) ₹10800
20. 20.The simple interest on ₹6000 for 3 years is ₹1260. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 21%
21. 21.The simple interest on ₹9500 for 4 years is ₹3800. What is the rate per year? (a) 10% (b) 40% (c) 9% (d) 11%
22. 22.The simple interest on ₹3500 for 5 years is ₹1225. What is the rate per year? (a) 35% (b) 7% (c) 6% (d) 8%
23. 23.In how many years will ₹4000 earn ₹960 simple interest at 12% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
24. 24.₹9500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1425 (b) ₹10925 (c) ₹9785 (d) ₹11210
25. 25.The simple interest on ₹7500 for 4 years is ₹3300. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 44%
26. 26.₹10000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹10900 (b) ₹12700 (c) ₹11800 (d) ₹1800
27. 27.In how many years will ₹1500 earn ₹360 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
28. 28.What is the simple interest on ₹5500 at 6% per year for 2 years? (a) ₹660 (b) ₹330 (c) ₹990 (d) ₹6160
29. 29.The simple interest on ₹5000 for 2 years is ₹1100. What is the rate per year? (a) 11% (b) 10% (c) 22% (d) 12%
30. 30.What is the simple interest on ₹5500 at 5% per year for 5 years? (a) ₹1650 (b) ₹6875 (c) ₹275 (d) ₹1375
31. 31.₹4500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹5850 (c) ₹4770 (d) ₹5580
32. 32.In how many years will ₹4500 earn ₹900 simple interest at 4% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
33. 33.What is the simple interest on ₹7500 at 10% per year for 3 years? (a) ₹750 (b) ₹9750 (c) ₹3000 (d) ₹2250
34. 34.What is the simple interest on ₹5000 at 12% per year for 4 years? (a) ₹600 (b) ₹7400 (c) ₹2400 (d) ₹3000
35. 35.The simple interest on ₹3500 for 4 years is ₹1120. What is the rate per year? (a) 32% (b) 9% (c) 7% (d) 8%
36. 36.In how many years will ₹8500 earn ₹1785 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
37. 37.The simple interest on ₹1500 for 3 years is ₹360. What is the rate per year? (a) 24% (b) 9% (c) 8% (d) 7%
38. 38.What is the simple interest on ₹8500 at 12% per year for 5 years? (a) ₹5100 (b) ₹6120 (c) ₹1020 (d) ₹13600
39. 39.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹2240 (b) ₹60 (c) ₹240 (d) ₹300
40. 40.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1560 (b) ₹1800 (c) ₹1860 (d) ₹300

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