Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 218 · 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 ₹1000 earn ₹240 simple interest at 6% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
2. 2.What is the simple interest on ₹5500 at 3% per year for 5 years? (a) ₹6325 (b) ₹990 (c) ₹825 (d) ₹165
3. 3.What is the simple interest on ₹7500 at 4% per year for 5 years? (a) ₹1500 (b) ₹300 (c) ₹9000 (d) ₹1800
4. 4.In how many years will ₹3000 earn ₹270 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
5. 5.What is the simple interest on ₹9500 at 10% per year for 2 years? (a) ₹2850 (b) ₹11400 (c) ₹950 (d) ₹1900
6. 6.The simple interest on ₹5000 for 5 years is ₹2000. What is the rate per year? (a) 8% (b) 40% (c) 7% (d) 9%
7. 7.What is the simple interest on ₹8500 at 11% per year for 3 years? (a) ₹2805 (b) ₹3740 (c) ₹935 (d) ₹11305
8. 8.In how many years will ₹5000 earn ₹1000 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
9. 9.₹3000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹3360 (b) ₹3480 (c) ₹3120 (d) ₹360
10. 10.The simple interest on ₹5000 for 2 years is ₹300. What is the rate per year? (a) 2% (b) 6% (c) 4% (d) 3%
11. 11.What is the simple interest on ₹1500 at 4% per year for 3 years? (a) ₹180 (b) ₹60 (c) ₹1680 (d) ₹240
12. 12.What is the simple interest on ₹2500 at 11% per year for 3 years? (a) ₹275 (b) ₹1100 (c) ₹825 (d) ₹3325
13. 13.What is the simple interest on ₹2500 at 7% per year for 3 years? (a) ₹175 (b) ₹525 (c) ₹3025 (d) ₹700
14. 14.In how many years will ₹9500 earn ₹4560 simple interest at 12% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
15. 15.The simple interest on ₹4500 for 4 years is ₹2160. What is the rate per year? (a) 13% (b) 12% (c) 11% (d) 48%
16. 16.₹2000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2840 (b) ₹2700 (c) ₹2140 (d) ₹700
17. 17.The simple interest on ₹4500 for 2 years is ₹270. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 6%
18. 18.The simple interest on ₹8500 for 3 years is ₹3060. What is the rate per year? (a) 13% (b) 12% (c) 11% (d) 36%
19. 19.₹10000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2200 (b) ₹12200 (c) ₹11100 (d) ₹13300
20. 20.What is the simple interest on ₹8500 at 12% per year for 5 years? (a) ₹6120 (b) ₹1020 (c) ₹5100 (d) ₹13600
21. 21.₹10000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹13000 (b) ₹2400 (c) ₹10600 (d) ₹12400
22. 22.The simple interest on ₹9500 for 2 years is ₹1520. What is the rate per year? (a) 8% (b) 7% (c) 16% (d) 9%
23. 23.₹5000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹5750 (b) ₹6000 (c) ₹750 (d) ₹5250
24. 24.What is the simple interest on ₹5000 at 8% per year for 5 years? (a) ₹400 (b) ₹2000 (c) ₹7000 (d) ₹2400
25. 25.What is the simple interest on ₹3000 at 6% per year for 3 years? (a) ₹720 (b) ₹540 (c) ₹180 (d) ₹3540
26. 26.In how many years will ₹8000 earn ₹2800 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
27. 27.In how many years will ₹2500 earn ₹450 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
28. 28.What is the simple interest on ₹2000 at 10% per year for 2 years? (a) ₹200 (b) ₹600 (c) ₹2400 (d) ₹400
29. 29.The simple interest on ₹3000 for 4 years is ₹240. What is the rate per year? (a) 8% (b) 3% (c) 2% (d) 1%
30. 30.The simple interest on ₹3000 for 4 years is ₹1200. What is the rate per year? (a) 40% (b) 11% (c) 10% (d) 9%
31. 31.In how many years will ₹7500 earn ₹600 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
32. 32.₹7000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹280 (b) ₹7140 (c) ₹7420 (d) ₹7280
33. 33.What is the simple interest on ₹4000 at 4% per year for 2 years? (a) ₹4320 (b) ₹320 (c) ₹480 (d) ₹160
34. 34.In how many years will ₹6500 earn ₹2340 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
35. 35.₹5000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1200 (b) ₹6800 (c) ₹6200 (d) ₹5600
36. 36.What is the simple interest on ₹5000 at 4% per year for 5 years? (a) ₹200 (b) ₹1000 (c) ₹6000 (d) ₹1200
37. 37.The simple interest on ₹6500 for 3 years is ₹1950. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 30%
38. 38.₹3000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹3450 (b) ₹3090 (c) ₹3360 (d) ₹360
39. 39.₹8000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹12800 (b) ₹11840 (c) ₹3840 (d) ₹8960
40. 40.The simple interest on ₹3500 for 3 years is ₹420. What is the rate per year? (a) 5% (b) 12% (c) 3% (d) 4%

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