Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 43 · 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 2% per year for 3 years? (a) ₹60 (b) ₹3180 (c) ₹240 (d) ₹180
2. 2.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹320 (b) ₹2320 (c) ₹2400 (d) ₹2080
3. 3.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹425 (b) ₹10625 (c) ₹2550 (d) ₹2125
4. 4.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹90 (b) ₹360 (c) ₹3270 (d) ₹270
5. 5.₹5000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹5700 (b) ₹700 (c) ₹6050 (d) ₹5350
6. 6.What is the simple interest on ₹5500 at 6% per year for 3 years? (a) ₹6490 (b) ₹330 (c) ₹1320 (d) ₹990
7. 7.In how many years will ₹9500 earn ₹570 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
8. 8.The simple interest on ₹1000 for 2 years is ₹180. What is the rate per year? (a) 8% (b) 10% (c) 18% (d) 9%
9. 9.In how many years will ₹5000 earn ₹1800 simple interest at 9% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
10. 10.₹5000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹5500 (b) ₹7500 (c) ₹8000 (d) ₹2500
11. 11.₹9000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2970 (b) ₹9990 (c) ₹11970 (d) ₹12960
12. 12.In how many years will ₹6000 earn ₹2400 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
13. 13.What is the simple interest on ₹3000 at 2% per year for 5 years? (a) ₹360 (b) ₹60 (c) ₹3300 (d) ₹300
14. 14.₹7000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2100 (b) ₹9520 (c) ₹7420 (d) ₹9100
15. 15.What is the simple interest on ₹7500 at 3% per year for 4 years? (a) ₹1125 (b) ₹900 (c) ₹225 (d) ₹8400
16. 16.In how many years will ₹8500 earn ₹680 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
17. 17.In how many years will ₹6000 earn ₹480 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
18. 18.In how many years will ₹4500 earn ₹720 simple interest at 8% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
19. 19.In how many years will ₹2000 earn ₹720 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
20. 20.The simple interest on ₹3000 for 3 years is ₹270. What is the rate per year? (a) 4% (b) 9% (c) 2% (d) 3%
21. 21.₹2500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹3250 (b) ₹750 (c) ₹3500 (d) ₹2750
22. 22.The simple interest on ₹5000 for 5 years is ₹2750. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 55%
23. 23.In how many years will ₹2500 earn ₹825 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
24. 24.The simple interest on ₹4000 for 2 years is ₹240. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 6%
25. 25.₹2000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3200 (b) ₹960 (c) ₹2960 (d) ₹2240
26. 26.The simple interest on ₹7000 for 2 years is ₹560. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 8%
27. 27.The simple interest on ₹2500 for 5 years is ₹1000. What is the rate per year? (a) 40% (b) 7% (c) 8% (d) 9%
28. 28.In how many years will ₹1000 earn ₹200 simple interest at 4% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
29. 29.₹4000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹4080 (b) ₹4400 (c) ₹320 (d) ₹4320
30. 30.₹3500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3850 (b) ₹350 (c) ₹3570 (d) ₹3920
31. 31.₹7500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1800 (b) ₹9300 (c) ₹7950 (d) ₹9750
32. 32.The simple interest on ₹7500 for 2 years is ₹900. What is the rate per year? (a) 5% (b) 12% (c) 6% (d) 7%
33. 33.₹7500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8175 (b) ₹8850 (c) ₹9525 (d) ₹1350
34. 34.In how many years will ₹10000 earn ₹600 simple interest at 2% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
35. 35.₹9500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹10830 (b) ₹10165 (c) ₹1330 (d) ₹11495
36. 36.What is the simple interest on ₹4000 at 4% per year for 2 years? (a) ₹160 (b) ₹480 (c) ₹4320 (d) ₹320
37. 37.What is the simple interest on ₹10000 at 9% per year for 2 years? (a) ₹2700 (b) ₹1800 (c) ₹11800 (d) ₹900
38. 38.What is the simple interest on ₹4000 at 9% per year for 4 years? (a) ₹5440 (b) ₹360 (c) ₹1800 (d) ₹1440
39. 39.₹6500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹9425 (b) ₹7085 (c) ₹2340 (d) ₹8840
40. 40.What is the simple interest on ₹2000 at 2% per year for 3 years? (a) ₹160 (b) ₹2120 (c) ₹40 (d) ₹120

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