Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 452 · 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 ₹3000 for 2 years is ₹240. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 8%
2. 2.In how many years will ₹8500 earn ₹1020 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
3. 3.₹6500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹6695 (b) ₹390 (c) ₹6890 (d) ₹7085
4. 4.The simple interest on ₹7500 for 2 years is ₹300. What is the rate per year? (a) 4% (b) 1% (c) 2% (d) 3%
5. 5.The simple interest on ₹8500 for 2 years is ₹1190. What is the rate per year? (a) 6% (b) 14% (c) 7% (d) 8%
6. 6.In how many years will ₹3500 earn ₹875 simple interest at 5% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
7. 7.₹5500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹7150 (b) ₹1650 (c) ₹5830 (d) ₹7480
8. 8.What is the simple interest on ₹8500 at 11% per year for 2 years? (a) ₹2805 (b) ₹1870 (c) ₹10370 (d) ₹935
9. 9.What is the simple interest on ₹7000 at 11% per year for 4 years? (a) ₹3080 (b) ₹770 (c) ₹3850 (d) ₹10080
10. 10.₹3000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹270 (b) ₹3270 (c) ₹3090 (d) ₹3360
11. 11.In how many years will ₹1000 earn ₹100 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
12. 12.In how many years will ₹8500 earn ₹3825 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
13. 13.In how many years will ₹6000 earn ₹1800 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
14. 14.The simple interest on ₹9000 for 4 years is ₹4320. What is the rate per year? (a) 13% (b) 11% (c) 48% (d) 12%
15. 15.The simple interest on ₹1000 for 2 years is ₹40. What is the rate per year? (a) 3% (b) 4% (c) 1% (d) 2%
16. 16.What is the simple interest on ₹5000 at 9% per year for 4 years? (a) ₹450 (b) ₹6800 (c) ₹1800 (d) ₹2250
17. 17.₹5500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹5720 (b) ₹440 (c) ₹5940 (d) ₹6160
18. 18.The simple interest on ₹2000 for 4 years is ₹640. What is the rate per year? (a) 8% (b) 9% (c) 32% (d) 7%
19. 19.₹2500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹375 (b) ₹3000 (c) ₹2625 (d) ₹2875
20. 20.In how many years will ₹9500 earn ₹760 simple interest at 4% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
21. 21.What is the simple interest on ₹4000 at 9% per year for 5 years? (a) ₹2160 (b) ₹1800 (c) ₹5800 (d) ₹360
22. 22.₹1500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹1680 (b) ₹1620 (c) ₹1560 (d) ₹120
23. 23.What is the simple interest on ₹4000 at 2% per year for 4 years? (a) ₹80 (b) ₹400 (c) ₹320 (d) ₹4320
24. 24.₹9000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹10080 (b) ₹1080 (c) ₹9270 (d) ₹10350
25. 25.The simple interest on ₹1500 for 4 years is ₹720. What is the rate per year? (a) 48% (b) 13% (c) 12% (d) 11%
26. 26.What is the simple interest on ₹7500 at 12% per year for 3 years? (a) ₹2700 (b) ₹10200 (c) ₹3600 (d) ₹900
27. 27.What is the simple interest on ₹1500 at 11% per year for 5 years? (a) ₹825 (b) ₹165 (c) ₹2325 (d) ₹990
28. 28.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3710 (b) ₹3815 (c) ₹210 (d) ₹3605
29. 29.The simple interest on ₹8500 for 2 years is ₹850. What is the rate per year? (a) 10% (b) 5% (c) 4% (d) 6%
30. 30.₹8000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹10000 (b) ₹9600 (c) ₹1600 (d) ₹8400
31. 31.In how many years will ₹3000 earn ₹720 simple interest at 12% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
32. 32.What is the simple interest on ₹1500 at 9% per year for 2 years? (a) ₹270 (b) ₹135 (c) ₹405 (d) ₹1770
33. 33.The simple interest on ₹3500 for 4 years is ₹980. What is the rate per year? (a) 8% (b) 6% (c) 28% (d) 7%
34. 34.In how many years will ₹2500 earn ₹250 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
35. 35.The simple interest on ₹9000 for 3 years is ₹540. What is the rate per year? (a) 6% (b) 1% (c) 3% (d) 2%
36. 36.What is the simple interest on ₹9500 at 8% per year for 3 years? (a) ₹11780 (b) ₹2280 (c) ₹3040 (d) ₹760
37. 37.In how many years will ₹4500 earn ₹720 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
38. 38.In how many years will ₹9500 earn ₹570 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
39. 39.In how many years will ₹3500 earn ₹420 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
40. 40.₹4500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹4905 (b) ₹6525 (c) ₹2025 (d) ₹6930

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