Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 699 · 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 ₹300 simple interest at 2% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
2. 2.The simple interest on ₹4500 for 2 years is ₹180. What is the rate per year? (a) 4% (b) 1% (c) 2% (d) 3%
3. 3.The simple interest on ₹8500 for 2 years is ₹2040. What is the rate per year? (a) 11% (b) 24% (c) 12% (d) 13%
4. 4.₹10000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹13600 (b) ₹10900 (c) ₹12700 (d) ₹2700
5. 5.In how many years will ₹3500 earn ₹840 simple interest at 12% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
6. 6.What is the simple interest on ₹8500 at 3% per year for 3 years? (a) ₹1020 (b) ₹255 (c) ₹765 (d) ₹9265
7. 7.The simple interest on ₹3500 for 3 years is ₹420. What is the rate per year? (a) 12% (b) 3% (c) 5% (d) 4%
8. 8.₹7500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3000 (b) ₹11100 (c) ₹10500 (d) ₹8100
9. 9.In how many years will ₹4000 earn ₹240 simple interest at 3% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
10. 10.The simple interest on ₹6000 for 4 years is ₹2160. What is the rate per year? (a) 10% (b) 36% (c) 8% (d) 9%
11. 11.What is the simple interest on ₹9000 at 3% per year for 3 years? (a) ₹810 (b) ₹1080 (c) ₹9810 (d) ₹270
12. 12.The simple interest on ₹9000 for 3 years is ₹810. What is the rate per year? (a) 4% (b) 9% (c) 3% (d) 2%
13. 13.What is the simple interest on ₹2500 at 8% per year for 2 years? (a) ₹400 (b) ₹200 (c) ₹600 (d) ₹2900
14. 14.In how many years will ₹2500 earn ₹450 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
15. 15.₹3000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹4080 (b) ₹900 (c) ₹3180 (d) ₹3900
16. 16.₹8000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹8800 (b) ₹3200 (c) ₹12000 (d) ₹11200
17. 17.The simple interest on ₹10000 for 3 years is ₹3300. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 33%
18. 18.₹7000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹8680 (b) ₹9100 (c) ₹1680 (d) ₹7420
19. 19.In how many years will ₹8000 earn ₹3520 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
20. 20.In how many years will ₹5500 earn ₹660 simple interest at 3% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
21. 21.What is the simple interest on ₹5500 at 3% per year for 2 years? (a) ₹5830 (b) ₹165 (c) ₹495 (d) ₹330
22. 22.In how many years will ₹3500 earn ₹210 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
23. 23.What is the simple interest on ₹1000 at 3% per year for 2 years? (a) ₹90 (b) ₹30 (c) ₹60 (d) ₹1060
24. 24.₹1500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1635 (b) ₹2040 (c) ₹405 (d) ₹1905
25. 25.The simple interest on ₹8500 for 3 years is ₹3060. What is the rate per year? (a) 12% (b) 11% (c) 13% (d) 36%
26. 26.In how many years will ₹6000 earn ₹1500 simple interest at 5% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
27. 27.What is the simple interest on ₹3500 at 7% per year for 5 years? (a) ₹1225 (b) ₹1470 (c) ₹245 (d) ₹4725
28. 28.What is the simple interest on ₹2000 at 9% per year for 4 years? (a) ₹900 (b) ₹180 (c) ₹2720 (d) ₹720
29. 29.₹8000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2400 (b) ₹8480 (c) ₹10880 (d) ₹10400
30. 30.In how many years will ₹3000 earn ₹600 simple interest at 10% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
31. 31.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹7950 (c) ₹7800 (d) ₹7650
32. 32.In how many years will ₹6000 earn ₹1800 simple interest at 6% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
33. 33.₹6000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6240 (b) ₹6120 (c) ₹6360 (d) ₹240
34. 34.₹2000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1100 (b) ₹3320 (c) ₹2220 (d) ₹3100
35. 35.The simple interest on ₹3500 for 5 years is ₹1050. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 30%
36. 36.What is the simple interest on ₹4500 at 4% per year for 5 years? (a) ₹900 (b) ₹5400 (c) ₹180 (d) ₹1080
37. 37.What is the simple interest on ₹8000 at 10% per year for 5 years? (a) ₹12000 (b) ₹4800 (c) ₹4000 (d) ₹800
38. 38.What is the simple interest on ₹4000 at 3% per year for 5 years? (a) ₹120 (b) ₹600 (c) ₹720 (d) ₹4600
39. 39.₹7500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹7950 (b) ₹8850 (c) ₹1350 (d) ₹9300
40. 40.What is the simple interest on ₹8000 at 7% per year for 4 years? (a) ₹2240 (b) ₹560 (c) ₹2800 (d) ₹10240

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