Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 277 · 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 ₹8500 for 5 years is ₹4675. What is the rate per year? (a) 12% (b) 10% (c) 55% (d) 11%
2. 2.What is the simple interest on ₹6500 at 7% per year for 2 years? (a) ₹1365 (b) ₹910 (c) ₹7410 (d) ₹455
3. 3.What is the simple interest on ₹4500 at 8% per year for 5 years? (a) ₹360 (b) ₹6300 (c) ₹1800 (d) ₹2160
4. 4.What is the simple interest on ₹3500 at 12% per year for 5 years? (a) ₹5600 (b) ₹2520 (c) ₹420 (d) ₹2100
5. 5.₹5500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹6050 (b) ₹1100 (c) ₹6600 (d) ₹7150
6. 6.What is the simple interest on ₹7000 at 6% per year for 5 years? (a) ₹2520 (b) ₹420 (c) ₹9100 (d) ₹2100
7. 7.₹6500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1170 (b) ₹8255 (c) ₹7670 (d) ₹7085
8. 8.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹135 (b) ₹180 (c) ₹45 (d) ₹1635
9. 9.In how many years will ₹5500 earn ₹330 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
10. 10.In how many years will ₹7000 earn ₹1470 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
11. 11.The simple interest on ₹4500 for 3 years is ₹405. What is the rate per year? (a) 3% (b) 4% (c) 9% (d) 2%
12. 12.What is the simple interest on ₹8000 at 2% per year for 2 years? (a) ₹160 (b) ₹480 (c) ₹8320 (d) ₹320
13. 13.The simple interest on ₹2000 for 3 years is ₹300. What is the rate per year? (a) 15% (b) 6% (c) 4% (d) 5%
14. 14.₹3500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹4130 (b) ₹4025 (c) ₹3605 (d) ₹525
15. 15.In how many years will ₹6000 earn ₹960 simple interest at 8% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
16. 16.In how many years will ₹5000 earn ₹1000 simple interest at 5% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
17. 17.₹3500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹1680 (b) ₹5180 (c) ₹3920 (d) ₹5600
18. 18.The simple interest on ₹1500 for 5 years is ₹825. What is the rate per year? (a) 55% (b) 12% (c) 10% (d) 11%
19. 19.₹7000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8050 (b) ₹1050 (c) ₹7210 (d) ₹8260
20. 20.The simple interest on ₹3500 for 3 years is ₹315. What is the rate per year? (a) 2% (b) 3% (c) 9% (d) 4%
21. 21.What is the simple interest on ₹5500 at 9% per year for 4 years? (a) ₹7480 (b) ₹1980 (c) ₹495 (d) ₹2475
22. 22.₹6000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹8640 (b) ₹1980 (c) ₹6660 (d) ₹7980
23. 23.What is the simple interest on ₹5500 at 4% per year for 3 years? (a) ₹6160 (b) ₹880 (c) ₹660 (d) ₹220
24. 24.The simple interest on ₹8000 for 2 years is ₹1440. What is the rate per year? (a) 18% (b) 8% (c) 9% (d) 10%
25. 25.The simple interest on ₹6000 for 3 years is ₹1440. What is the rate per year? (a) 8% (b) 9% (c) 24% (d) 7%
26. 26.In how many years will ₹3500 earn ₹700 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
27. 27.₹2500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹250 (b) ₹2800 (c) ₹2750 (d) ₹2550
28. 28.₹9500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹10260 (b) ₹9880 (c) ₹10640 (d) ₹760
29. 29.₹9500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹11400 (b) ₹12350 (c) ₹1900 (d) ₹10450
30. 30.In how many years will ₹6500 earn ₹650 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
31. 31.In how many years will ₹1500 earn ₹360 simple interest at 6% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
32. 32.In how many years will ₹4000 earn ₹800 simple interest at 4% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
33. 33.In how many years will ₹2000 earn ₹320 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
34. 34.The simple interest on ₹5000 for 5 years is ₹750. What is the rate per year? (a) 4% (b) 15% (c) 3% (d) 2%
35. 35.The simple interest on ₹1500 for 2 years is ₹60. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 4%
36. 36.What is the simple interest on ₹4500 at 7% per year for 3 years? (a) ₹315 (b) ₹945 (c) ₹1260 (d) ₹5445
37. 37.What is the simple interest on ₹3000 at 5% per year for 4 years? (a) ₹600 (b) ₹750 (c) ₹150 (d) ₹3600
38. 38.₹4500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹6300 (b) ₹4860 (c) ₹1440 (d) ₹5940
39. 39.What is the simple interest on ₹3000 at 2% per year for 5 years? (a) ₹60 (b) ₹300 (c) ₹360 (d) ₹3300
40. 40.The simple interest on ₹9500 for 3 years is ₹1710. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 18%

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