Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 157 · 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 ₹3000 earn ₹960 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
2. 2.The simple interest on ₹10000 for 3 years is ₹2100. What is the rate per year? (a) 8% (b) 7% (c) 21% (d) 6%
3. 3.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹1020 (b) ₹340 (c) ₹680 (d) ₹9180
4. 4.What is the simple interest on ₹2500 at 8% per year for 5 years? (a) ₹3500 (b) ₹200 (c) ₹1200 (d) ₹1000
5. 5.The simple interest on ₹2000 for 3 years is ₹720. What is the rate per year? (a) 36% (b) 13% (c) 11% (d) 12%
6. 6.In how many years will ₹5500 earn ₹550 simple interest at 2% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
7. 7.The simple interest on ₹5000 for 2 years is ₹1200. What is the rate per year? (a) 12% (b) 13% (c) 24% (d) 11%
8. 8.What is the simple interest on ₹8500 at 12% per year for 3 years? (a) ₹1020 (b) ₹11560 (c) ₹3060 (d) ₹4080
9. 9.What is the simple interest on ₹5500 at 9% per year for 3 years? (a) ₹1980 (b) ₹1485 (c) ₹495 (d) ₹6985
10. 10.The simple interest on ₹2500 for 2 years is ₹300. What is the rate per year? (a) 12% (b) 5% (c) 7% (d) 6%
11. 11.₹2500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹750 (b) ₹2750 (c) ₹3500 (d) ₹3250
12. 12.₹1000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹1100 (b) ₹1150 (c) ₹1050 (d) ₹100
13. 13.The simple interest on ₹7500 for 3 years is ₹450. What is the rate per year? (a) 1% (b) 6% (c) 2% (d) 3%
14. 14.What is the simple interest on ₹5000 at 5% per year for 5 years? (a) ₹1250 (b) ₹250 (c) ₹1500 (d) ₹6250
15. 15.In how many years will ₹6500 earn ₹3250 simple interest at 10% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
16. 16.What is the simple interest on ₹4500 at 7% per year for 4 years? (a) ₹315 (b) ₹1260 (c) ₹1575 (d) ₹5760
17. 17.₹7500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹9300 (b) ₹7800 (c) ₹1500 (d) ₹9000
18. 18.₹8000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹640 (b) ₹8640 (c) ₹8960 (d) ₹8320
19. 19.₹2000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹2300 (b) ₹2400 (c) ₹300 (d) ₹2100
20. 20.What is the simple interest on ₹5500 at 5% per year for 4 years? (a) ₹1375 (b) ₹6600 (c) ₹1100 (d) ₹275
21. 21.The simple interest on ₹6000 for 2 years is ₹840. What is the rate per year? (a) 14% (b) 7% (c) 6% (d) 8%
22. 22.₹3500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹3745 (b) ₹4235 (c) ₹490 (d) ₹3990
23. 23.₹1500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1725 (b) ₹1680 (c) ₹180 (d) ₹1545
24. 24.The simple interest on ₹3000 for 3 years is ₹810. What is the rate per year? (a) 9% (b) 8% (c) 27% (d) 10%
25. 25.₹9500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹9785 (b) ₹10925 (c) ₹11210 (d) ₹1425
26. 26.₹6500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹8060 (b) ₹8840 (c) ₹1560 (d) ₹7280
27. 27.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
28. 28.In how many years will ₹6000 earn ₹1200 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
29. 29.₹6000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹6240 (b) ₹6960 (c) ₹960 (d) ₹7200
30. 30.The simple interest on ₹8500 for 2 years is ₹1360. What is the rate per year? (a) 16% (b) 7% (c) 8% (d) 9%
31. 31.₹2500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹2650 (b) ₹3100 (c) ₹450 (d) ₹2950
32. 32.What is the simple interest on ₹3500 at 2% per year for 5 years? (a) ₹420 (b) ₹350 (c) ₹70 (d) ₹3850
33. 33.₹5500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹330 (b) ₹5830 (c) ₹5995 (d) ₹5665
34. 34.The simple interest on ₹6500 for 5 years is ₹650. What is the rate per year? (a) 10% (b) 1% (c) 2% (d) 3%
35. 35.₹8500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹8755 (b) ₹9265 (c) ₹9010 (d) ₹510
36. 36.What is the simple interest on ₹1000 at 4% per year for 4 years? (a) ₹160 (b) ₹40 (c) ₹1160 (d) ₹200
37. 37.₹9000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹11430 (b) ₹9810 (c) ₹12240 (d) ₹2430
38. 38.The simple interest on ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 22% (b) 11% (c) 12% (d) 10%
39. 39.The simple interest on ₹7000 for 2 years is ₹1540. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 22%
40. 40.The simple interest on ₹5000 for 5 years is ₹750. What is the rate per year? (a) 15% (b) 2% (c) 3% (d) 4%

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