Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 470 · 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 ₹6500 for 5 years is ₹3900. What is the rate per year? (a) 60% (b) 11% (c) 13% (d) 12%
2. 2.The simple interest on ₹4000 for 5 years is ₹2200. What is the rate per year? (a) 55% (b) 11% (c) 12% (d) 10%
3. 3.What is the simple interest on ₹7500 at 9% per year for 5 years? (a) ₹10875 (b) ₹4050 (c) ₹3375 (d) ₹675
4. 4.₹5500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹8140 (b) ₹1980 (c) ₹7480 (d) ₹6160
5. 5.In how many years will ₹7500 earn ₹2400 simple interest at 8% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
6. 6.In how many years will ₹2500 earn ₹250 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
7. 7.What is the simple interest on ₹1500 at 2% per year for 5 years? (a) ₹180 (b) ₹30 (c) ₹150 (d) ₹1650
8. 8.In how many years will ₹3000 earn ₹900 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
9. 9.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 5% (b) 8% (c) 4% (d) 3%
10. 10.In how many years will ₹8500 earn ₹3400 simple interest at 10% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
11. 11.What is the simple interest on ₹5500 at 6% per year for 4 years? (a) ₹6820 (b) ₹1650 (c) ₹330 (d) ₹1320
12. 12.In how many years will ₹3500 earn ₹490 simple interest at 7% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
13. 13.The simple interest on ₹2000 for 3 years is ₹540. What is the rate per year? (a) 9% (b) 8% (c) 27% (d) 10%
14. 14.₹2500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹2950 (c) ₹2650 (d) ₹2800
15. 15.What is the simple interest on ₹4000 at 10% per year for 2 years? (a) ₹400 (b) ₹4800 (c) ₹800 (d) ₹1200
16. 16.The simple interest on ₹6000 for 4 years is ₹960. What is the rate per year? (a) 5% (b) 16% (c) 3% (d) 4%
17. 17.The simple interest on ₹2500 for 3 years is ₹150. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 6%
18. 18.The simple interest on ₹6500 for 5 years is ₹1625. What is the rate per year? (a) 4% (b) 25% (c) 6% (d) 5%
19. 19.₹1000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹500 (b) ₹1100 (c) ₹1500 (d) ₹1600
20. 20.₹2500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹3500 (b) ₹2700 (c) ₹800 (d) ₹3300
21. 21.₹8500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹9350 (b) ₹850 (c) ₹9520 (d) ₹8670
22. 22.What is the simple interest on ₹7500 at 2% per year for 5 years? (a) ₹900 (b) ₹150 (c) ₹8250 (d) ₹750
23. 23.What is the simple interest on ₹2500 at 3% per year for 5 years? (a) ₹450 (b) ₹375 (c) ₹75 (d) ₹2875
24. 24.What is the simple interest on ₹10000 at 9% per year for 5 years? (a) ₹900 (b) ₹4500 (c) ₹14500 (d) ₹5400
25. 25.The simple interest on ₹4500 for 3 years is ₹405. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 9%
26. 26.The simple interest on ₹10000 for 3 years is ₹1200. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 12%
27. 27.In how many years will ₹2500 earn ₹1500 simple interest at 12% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
28. 28.What is the simple interest on ₹4500 at 7% per year for 4 years? (a) ₹315 (b) ₹5760 (c) ₹1260 (d) ₹1575
29. 29.What is the simple interest on ₹6000 at 11% per year for 2 years? (a) ₹1320 (b) ₹7320 (c) ₹1980 (d) ₹660
30. 30.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹120 (b) ₹600 (c) ₹720 (d) ₹3600
31. 31.The simple interest on ₹3500 for 5 years is ₹1400. What is the rate per year? (a) 7% (b) 8% (c) 40% (d) 9%
32. 32.What is the simple interest on ₹2500 at 8% per year for 5 years? (a) ₹200 (b) ₹1200 (c) ₹1000 (d) ₹3500
33. 33.The simple interest on ₹6500 for 2 years is ₹1040. What is the rate per year? (a) 8% (b) 7% (c) 16% (d) 9%
34. 34.The simple interest on ₹2000 for 3 years is ₹180. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 9%
35. 35.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹1560 (b) ₹90 (c) ₹30 (d) ₹60
36. 36.The simple interest on ₹3000 for 5 years is ₹1650. What is the rate per year? (a) 12% (b) 55% (c) 10% (d) 11%
37. 37.What is the simple interest on ₹5000 at 11% per year for 2 years? (a) ₹1650 (b) ₹550 (c) ₹1100 (d) ₹6100
38. 38.The simple interest on ₹3500 for 2 years is ₹840. What is the rate per year? (a) 12% (b) 24% (c) 11% (d) 13%
39. 39.The simple interest on ₹1500 for 4 years is ₹540. What is the rate per year? (a) 10% (b) 36% (c) 8% (d) 9%
40. 40.₹1000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹1030 (b) ₹1090 (c) ₹1060 (d) ₹60

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