Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 458 · 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 3 years is ₹540. What is the rate per year? (a) 27% (b) 10% (c) 8% (d) 9%
2. 2.The simple interest on ₹1500 for 3 years is ₹135. What is the rate per year? (a) 2% (b) 9% (c) 3% (d) 4%
3. 3.₹7500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3300 (b) ₹8325 (c) ₹11625 (d) ₹10800
4. 4.The simple interest on ₹5000 for 4 years is ₹2000. What is the rate per year? (a) 11% (b) 9% (c) 40% (d) 10%
5. 5.What is the simple interest on ₹3500 at 4% per year for 4 years? (a) ₹4060 (b) ₹700 (c) ₹140 (d) ₹560
6. 6.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹120 (b) ₹240 (c) ₹360 (d) ₹1740
7. 7.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7650 (b) ₹300 (c) ₹7800 (d) ₹7950
8. 8.The simple interest on ₹2500 for 5 years is ₹750. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 30%
9. 9.What is the simple interest on ₹7000 at 2% per year for 5 years? (a) ₹7700 (b) ₹840 (c) ₹700 (d) ₹140
10. 10.The simple interest on ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 22%
11. 11.₹3000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3270 (b) ₹270 (c) ₹3090 (d) ₹3360
12. 12.The simple interest on ₹9500 for 4 years is ₹1520. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 16%
13. 13.What is the simple interest on ₹4000 at 6% per year for 3 years? (a) ₹240 (b) ₹720 (c) ₹4720 (d) ₹960
14. 14.₹6500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹780 (b) ₹6890 (c) ₹7670 (d) ₹7280
15. 15.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹425 (b) ₹2125 (c) ₹10625 (d) ₹2550
16. 16.The simple interest on ₹9500 for 3 years is ₹1140. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 12%
17. 17.₹4500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹4905 (b) ₹5310 (c) ₹810 (d) ₹5715
18. 18.What is the simple interest on ₹9000 at 8% per year for 4 years? (a) ₹720 (b) ₹3600 (c) ₹2880 (d) ₹11880
19. 19.₹1000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹300 (b) ₹1360 (c) ₹1060 (d) ₹1300
20. 20.The simple interest on ₹9000 for 5 years is ₹1800. What is the rate per year? (a) 5% (b) 3% (c) 20% (d) 4%
21. 21.The simple interest on ₹9500 for 3 years is ₹1995. What is the rate per year? (a) 21% (b) 7% (c) 6% (d) 8%
22. 22.What is the simple interest on ₹4500 at 6% per year for 2 years? (a) ₹270 (b) ₹5040 (c) ₹810 (d) ₹540
23. 23.What is the simple interest on ₹10000 at 6% per year for 3 years? (a) ₹11800 (b) ₹600 (c) ₹2400 (d) ₹1800
24. 24.The simple interest on ₹7000 for 5 years is ₹1750. What is the rate per year? (a) 6% (b) 25% (c) 5% (d) 4%
25. 25.What is the simple interest on ₹2000 at 11% per year for 3 years? (a) ₹880 (b) ₹660 (c) ₹220 (d) ₹2660
26. 26.In how many years will ₹10000 earn ₹1200 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
27. 27.₹7500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹8700 (b) ₹1200 (c) ₹9300 (d) ₹8100
28. 28.₹5500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹6380 (b) ₹5940 (c) ₹6820 (d) ₹880
29. 29.The simple interest on ₹10000 for 5 years is ₹2500. What is the rate per year? (a) 25% (b) 6% (c) 5% (d) 4%
30. 30.In how many years will ₹6000 earn ₹1440 simple interest at 8% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
31. 31.The simple interest on ₹1000 for 3 years is ₹210. What is the rate per year? (a) 8% (b) 6% (c) 21% (d) 7%
32. 32.The simple interest on ₹6500 for 4 years is ₹520. What is the rate per year? (a) 1% (b) 3% (c) 8% (d) 2%
33. 33.The simple interest on ₹2500 for 3 years is ₹900. What is the rate per year? (a) 36% (b) 11% (c) 13% (d) 12%
34. 34.In how many years will ₹4500 earn ₹900 simple interest at 5% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
35. 35.₹2000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹3080 (c) ₹2900 (d) ₹2180
36. 36.₹8500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹680 (b) ₹9350 (c) ₹8670 (d) ₹9180
37. 37.What is the simple interest on ₹5000 at 12% per year for 4 years? (a) ₹3000 (b) ₹7400 (c) ₹600 (d) ₹2400
38. 38.In how many years will ₹1500 earn ₹360 simple interest at 6% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
39. 39.The simple interest on ₹4500 for 3 years is ₹675. What is the rate per year? (a) 15% (b) 6% (c) 4% (d) 5%
40. 40.What is the simple interest on ₹8000 at 3% per year for 3 years? (a) ₹960 (b) ₹240 (c) ₹720 (d) ₹8720

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