Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 124 · 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 ₹5000 for 3 years is ₹1050. What is the rate per year? (a) 21% (b) 8% (c) 7% (d) 6%
2. 2.What is the simple interest on ₹10000 at 11% per year for 5 years? (a) ₹6600 (b) ₹5500 (c) ₹1100 (d) ₹15500
3. 3.In how many years will ₹5000 earn ₹400 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
4. 4.The simple interest on ₹2000 for 5 years is ₹400. What is the rate per year? (a) 20% (b) 5% (c) 4% (d) 3%
5. 5.The simple interest on ₹6500 for 3 years is ₹1560. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 24%
6. 6.In how many years will ₹6000 earn ₹840 simple interest at 7% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
7. 7.The simple interest on ₹4500 for 4 years is ₹1260. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 28%
8. 8.₹8000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹640 (b) ₹8640 (c) ₹8800 (d) ₹8160
9. 9.₹4500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹1800 (b) ₹4860 (c) ₹6300 (d) ₹6660
10. 10.In how many years will ₹5500 earn ₹220 simple interest at 2% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
11. 11.₹9000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹10800 (b) ₹9360 (c) ₹10440 (d) ₹1440
12. 12.₹9500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹4275 (b) ₹10355 (c) ₹14630 (d) ₹13775
13. 13.The simple interest on ₹5500 for 2 years is ₹220. What is the rate per year? (a) 2% (b) 1% (c) 4% (d) 3%
14. 14.In how many years will ₹10000 earn ₹1800 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
15. 15.₹3500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹560 (b) ₹3640 (c) ₹4200 (d) ₹4060
16. 16.In how many years will ₹6000 earn ₹1440 simple interest at 6% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
17. 17.The simple interest on ₹2000 for 2 years is ₹360. What is the rate per year? (a) 18% (b) 9% (c) 8% (d) 10%
18. 18.₹9500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹15200 (b) ₹4750 (c) ₹14250 (d) ₹10450
19. 19.What is the simple interest on ₹7000 at 5% per year for 3 years? (a) ₹1400 (b) ₹350 (c) ₹8050 (d) ₹1050
20. 20.The simple interest on ₹1500 for 5 years is ₹525. What is the rate per year? (a) 35% (b) 7% (c) 6% (d) 8%
21. 21.In how many years will ₹2500 earn ₹675 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
22. 22.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹350 (b) ₹525 (c) ₹3850 (d) ₹175
23. 23.In how many years will ₹6500 earn ₹2080 simple interest at 8% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
24. 24.What is the simple interest on ₹9500 at 6% per year for 2 years? (a) ₹1140 (b) ₹570 (c) ₹10640 (d) ₹1710
25. 25.In how many years will ₹3500 earn ₹210 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
26. 26.₹8500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3740 (b) ₹9435 (c) ₹13175 (d) ₹12240
27. 27.The simple interest on ₹7000 for 3 years is ₹1260. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 18%
28. 28.What is the simple interest on ₹6500 at 8% per year for 2 years? (a) ₹7540 (b) ₹1560 (c) ₹520 (d) ₹1040
29. 29.What is the simple interest on ₹6000 at 11% per year for 3 years? (a) ₹660 (b) ₹7980 (c) ₹1980 (d) ₹2640
30. 30.What is the simple interest on ₹4500 at 7% per year for 5 years? (a) ₹1575 (b) ₹1890 (c) ₹6075 (d) ₹315
31. 31.What is the simple interest on ₹4500 at 5% per year for 2 years? (a) ₹450 (b) ₹4950 (c) ₹675 (d) ₹225
32. 32.In how many years will ₹3500 earn ₹560 simple interest at 8% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
33. 33.The simple interest on ₹2000 for 3 years is ₹180. What is the rate per year? (a) 2% (b) 4% (c) 9% (d) 3%
34. 34.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹3000 (b) ₹500 (c) ₹100 (d) ₹600
35. 35.What is the simple interest on ₹9500 at 5% per year for 2 years? (a) ₹475 (b) ₹1425 (c) ₹10450 (d) ₹950
36. 36.In how many years will ₹1000 earn ₹300 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
37. 37.In how many years will ₹8000 earn ₹1920 simple interest at 12% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
38. 38.₹8000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹8560 (b) ₹10240 (c) ₹9680 (d) ₹1680
39. 39.In how many years will ₹2000 earn ₹1100 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
40. 40.In how many years will ₹9000 earn ₹5400 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years

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