Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 510 · 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 ₹2000 earn ₹500 simple interest at 5% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
2. 2.The simple interest on ₹1000 for 2 years is ₹220. What is the rate per year? (a) 22% (b) 12% (c) 10% (d) 11%
3. 3.₹1000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹180 (b) ₹1180 (c) ₹1270 (d) ₹1090
4. 4.The simple interest on ₹6500 for 3 years is ₹1755. What is the rate per year? (a) 10% (b) 27% (c) 9% (d) 8%
5. 5.What is the simple interest on ₹3000 at 12% per year for 3 years? (a) ₹1440 (b) ₹4080 (c) ₹1080 (d) ₹360
6. 6.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹2320 (b) ₹2400 (c) ₹320 (d) ₹2080
7. 7.What is the simple interest on ₹1000 at 10% per year for 2 years? (a) ₹1200 (b) ₹300 (c) ₹200 (d) ₹100
8. 8.In how many years will ₹8000 earn ₹2880 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
9. 9.The simple interest on ₹5500 for 5 years is ₹2475. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 45%
10. 10.The simple interest on ₹1000 for 5 years is ₹400. What is the rate per year? (a) 9% (b) 8% (c) 7% (d) 40%
11. 11.In how many years will ₹7500 earn ₹1875 simple interest at 5% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
12. 12.The simple interest on ₹7000 for 3 years is ₹840. What is the rate per year? (a) 12% (b) 3% (c) 4% (d) 5%
13. 13.What is the simple interest on ₹8500 at 11% per year for 5 years? (a) ₹5610 (b) ₹13175 (c) ₹935 (d) ₹4675
14. 14.In how many years will ₹2000 earn ₹560 simple interest at 7% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
15. 15.₹7500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹8250 (b) ₹11250 (c) ₹12000 (d) ₹3750
16. 16.The simple interest on ₹8500 for 5 years is ₹1700. What is the rate per year? (a) 20% (b) 5% (c) 3% (d) 4%
17. 17.In how many years will ₹2000 earn ₹360 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
18. 18.What is the simple interest on ₹2000 at 9% per year for 3 years? (a) ₹2540 (b) ₹540 (c) ₹720 (d) ₹180
19. 19.₹1000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1040 (b) ₹1200 (c) ₹1160 (d) ₹160
20. 20.In how many years will ₹10000 earn ₹400 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
21. 21.The simple interest on ₹3500 for 5 years is ₹1050. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 30%
22. 22.The simple interest on ₹4000 for 2 years is ₹800. What is the rate per year? (a) 20% (b) 11% (c) 9% (d) 10%
23. 23.What is the simple interest on ₹4000 at 3% per year for 5 years? (a) ₹720 (b) ₹120 (c) ₹600 (d) ₹4600
24. 24.₹5500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹2640 (b) ₹6160 (c) ₹8140 (d) ₹8800
25. 25.In how many years will ₹1000 earn ₹80 simple interest at 2% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
26. 26.What is the simple interest on ₹5500 at 9% per year for 2 years? (a) ₹495 (b) ₹6490 (c) ₹1485 (d) ₹990
27. 27.In how many years will ₹5000 earn ₹800 simple interest at 4% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
28. 28.What is the simple interest on ₹5500 at 10% per year for 5 years? (a) ₹550 (b) ₹2750 (c) ₹8250 (d) ₹3300
29. 29.What is the simple interest on ₹1500 at 11% per year for 4 years? (a) ₹2160 (b) ₹165 (c) ₹825 (d) ₹660
30. 30.What is the simple interest on ₹1500 at 11% per year for 2 years? (a) ₹165 (b) ₹1830 (c) ₹495 (d) ₹330
31. 31.In how many years will ₹6500 earn ₹1560 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
32. 32.In how many years will ₹1500 earn ₹240 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
33. 33.The simple interest on ₹3000 for 2 years is ₹120. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 4%
34. 34.What is the simple interest on ₹1000 at 12% per year for 5 years? (a) ₹720 (b) ₹1600 (c) ₹600 (d) ₹120
35. 35.₹1000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1550 (b) ₹1110 (c) ₹1660 (d) ₹550
36. 36.What is the simple interest on ₹8500 at 12% per year for 2 years? (a) ₹3060 (b) ₹1020 (c) ₹2040 (d) ₹10540
37. 37.The simple interest on ₹3500 for 2 years is ₹490. What is the rate per year? (a) 6% (b) 7% (c) 14% (d) 8%
38. 38.The simple interest on ₹5000 for 3 years is ₹1800. What is the rate per year? (a) 13% (b) 11% (c) 36% (d) 12%
39. 39.The simple interest on ₹1500 for 3 years is ₹315. What is the rate per year? (a) 7% (b) 8% (c) 21% (d) 6%
40. 40.The simple interest on ₹1000 for 2 years is ₹100. What is the rate per year? (a) 6% (b) 5% (c) 10% (d) 4%

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