Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 309 · 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.What is the simple interest on ₹3000 at 11% per year for 4 years? (a) ₹330 (b) ₹1320 (c) ₹1650 (d) ₹4320
2. 2.What is the simple interest on ₹4500 at 11% per year for 5 years? (a) ₹495 (b) ₹2970 (c) ₹2475 (d) ₹6975
3. 3.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3360 (b) ₹4440 (c) ₹1080 (d) ₹4080
4. 4.What is the simple interest on ₹3500 at 10% per year for 3 years? (a) ₹350 (b) ₹1400 (c) ₹1050 (d) ₹4550
5. 5.What is the simple interest on ₹7000 at 2% per year for 3 years? (a) ₹140 (b) ₹560 (c) ₹420 (d) ₹7420
6. 6.The simple interest on ₹9500 for 2 years is ₹380. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 4%
7. 7.₹8500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹12580 (b) ₹9520 (c) ₹4080 (d) ₹13600
8. 8.The simple interest on ₹9000 for 3 years is ₹810. What is the rate per year? (a) 4% (b) 9% (c) 2% (d) 3%
9. 9.What is the simple interest on ₹7500 at 9% per year for 4 years? (a) ₹3375 (b) ₹10200 (c) ₹2700 (d) ₹675
10. 10.The simple interest on ₹9000 for 2 years is ₹1260. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 14%
11. 11.What is the simple interest on ₹1500 at 11% per year for 3 years? (a) ₹165 (b) ₹495 (c) ₹1995 (d) ₹660
12. 12.The simple interest on ₹9000 for 2 years is ₹1080. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 12%
13. 13.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹5200 (b) ₹200 (c) ₹100 (d) ₹300
14. 14.What is the simple interest on ₹1000 at 3% per year for 3 years? (a) ₹1090 (b) ₹30 (c) ₹120 (d) ₹90
15. 15.₹2500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹2750 (b) ₹3750 (c) ₹4000 (d) ₹1250
16. 16.What is the simple interest on ₹7000 at 5% per year for 3 years? (a) ₹350 (b) ₹1400 (c) ₹1050 (d) ₹8050
17. 17.What is the simple interest on ₹1500 at 3% per year for 5 years? (a) ₹45 (b) ₹270 (c) ₹1725 (d) ₹225
18. 18.In how many years will ₹4000 earn ₹400 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
19. 19.The simple interest on ₹6000 for 3 years is ₹1080. What is the rate per year? (a) 18% (b) 7% (c) 5% (d) 6%
20. 20.In how many years will ₹10000 earn ₹3000 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
21. 21.The simple interest on ₹6000 for 2 years is ₹600. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 10%
22. 22.In how many years will ₹2500 earn ₹250 simple interest at 5% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
23. 23.In how many years will ₹1500 earn ₹315 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
24. 24.₹9000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹10350 (c) ₹10080 (d) ₹9270
25. 25.The simple interest on ₹1000 for 5 years is ₹400. What is the rate per year? (a) 7% (b) 40% (c) 9% (d) 8%
26. 26.What is the simple interest on ₹1000 at 7% per year for 2 years? (a) ₹140 (b) ₹210 (c) ₹70 (d) ₹1140
27. 27.In how many years will ₹4000 earn ₹480 simple interest at 3% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
28. 28.The simple interest on ₹6500 for 5 years is ₹3575. What is the rate per year? (a) 12% (b) 10% (c) 55% (d) 11%
29. 29.₹3500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹4655 (b) ₹5040 (c) ₹3885 (d) ₹1155
30. 30.₹1000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹1120 (b) ₹1480 (c) ₹1600 (d) ₹480
31. 31.What is the simple interest on ₹8500 at 6% per year for 4 years? (a) ₹2550 (b) ₹10540 (c) ₹510 (d) ₹2040
32. 32.The simple interest on ₹5500 for 3 years is ₹825. What is the rate per year? (a) 6% (b) 15% (c) 5% (d) 4%
33. 33.What is the simple interest on ₹5000 at 9% per year for 5 years? (a) ₹2700 (b) ₹7250 (c) ₹450 (d) ₹2250
34. 34.What is the simple interest on ₹2500 at 5% per year for 3 years? (a) ₹2875 (b) ₹125 (c) ₹500 (d) ₹375
35. 35.In how many years will ₹5500 earn ₹660 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
36. 36.What is the simple interest on ₹9500 at 3% per year for 2 years? (a) ₹285 (b) ₹10070 (c) ₹570 (d) ₹855
37. 37.What is the simple interest on ₹6000 at 12% per year for 2 years? (a) ₹1440 (b) ₹720 (c) ₹7440 (d) ₹2160
38. 38.₹10000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1200 (b) ₹10400 (c) ₹11200 (d) ₹11600
39. 39.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
40. 40.What is the simple interest on ₹7000 at 8% per year for 4 years? (a) ₹560 (b) ₹2240 (c) ₹9240 (d) ₹2800

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