Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 294 · 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 ₹3000 for 3 years is ₹1080. What is the rate per year? (a) 13% (b) 36% (c) 12% (d) 11%
2. 2.In how many years will ₹8500 earn ₹1360 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
3. 3.The simple interest on ₹8000 for 5 years is ₹1200. What is the rate per year? (a) 15% (b) 3% (c) 4% (d) 2%
4. 4.What is the simple interest on ₹6500 at 11% per year for 4 years? (a) ₹715 (b) ₹3575 (c) ₹9360 (d) ₹2860
5. 5.In how many years will ₹9000 earn ₹1620 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
6. 6.In how many years will ₹2500 earn ₹250 simple interest at 2% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
7. 7.The simple interest on ₹1000 for 3 years is ₹90. What is the rate per year? (a) 2% (b) 3% (c) 9% (d) 4%
8. 8.₹9000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2970 (b) ₹9990 (c) ₹12960 (d) ₹11970
9. 9.₹7000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8050 (b) ₹8260 (c) ₹1050 (d) ₹7210
10. 10.The simple interest on ₹7500 for 2 years is ₹900. What is the rate per year? (a) 12% (b) 7% (c) 6% (d) 5%
11. 11.₹9000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹9540 (b) ₹11700 (c) ₹2700 (d) ₹12240
12. 12.What is the simple interest on ₹5000 at 5% per year for 4 years? (a) ₹6000 (b) ₹250 (c) ₹1250 (d) ₹1000
13. 13.In how many years will ₹7500 earn ₹1200 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
14. 14.In how many years will ₹8500 earn ₹4250 simple interest at 10% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
15. 15.What is the simple interest on ₹4000 at 8% per year for 3 years? (a) ₹1280 (b) ₹4960 (c) ₹320 (d) ₹960
16. 16.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹20 (b) ₹1060 (c) ₹80 (d) ₹60
17. 17.What is the simple interest on ₹4000 at 2% per year for 2 years? (a) ₹240 (b) ₹80 (c) ₹160 (d) ₹4160
18. 18.In how many years will ₹9000 earn ₹1800 simple interest at 5% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
19. 19.₹2500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2550 (b) ₹250 (c) ₹2800 (d) ₹2750
20. 20.What is the simple interest on ₹2000 at 7% per year for 2 years? (a) ₹420 (b) ₹2280 (c) ₹280 (d) ₹140
21. 21.₹4000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹5920 (b) ₹4480 (c) ₹1440 (d) ₹5440
22. 22.The simple interest on ₹5500 for 5 years is ₹1100. What is the rate per year? (a) 20% (b) 5% (c) 4% (d) 3%
23. 23.In how many years will ₹6500 earn ₹1300 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
24. 24.In how many years will ₹5000 earn ₹1800 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
25. 25.₹7000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹10850 (b) ₹3850 (c) ₹7770 (d) ₹11620
26. 26.What is the simple interest on ₹1000 at 8% per year for 2 years? (a) ₹80 (b) ₹1160 (c) ₹240 (d) ₹160
27. 27.In how many years will ₹4000 earn ₹1800 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
28. 28.₹6000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹360 (b) ₹6540 (c) ₹6180 (d) ₹6360
29. 29.In how many years will ₹2500 earn ₹350 simple interest at 7% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
30. 30.In how many years will ₹6000 earn ₹1500 simple interest at 5% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
31. 31.₹7500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹8250 (b) ₹12000 (c) ₹11250 (d) ₹3750
32. 32.In how many years will ₹8500 earn ₹1360 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
33. 33.The simple interest on ₹7000 for 4 years is ₹1400. What is the rate per year? (a) 6% (b) 20% (c) 5% (d) 4%
34. 34.What is the simple interest on ₹3000 at 8% per year for 3 years? (a) ₹960 (b) ₹720 (c) ₹3720 (d) ₹240
35. 35.₹1000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1180 (b) ₹1270 (c) ₹180 (d) ₹1090
36. 36.₹6000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1680 (b) ₹6420 (c) ₹7680 (d) ₹8100
37. 37.What is the simple interest on ₹2500 at 4% per year for 2 years? (a) ₹200 (b) ₹2700 (c) ₹100 (d) ₹300
38. 38.₹4500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1620 (b) ₹6120 (c) ₹4905 (d) ₹6525
39. 39.What is the simple interest on ₹1000 at 9% per year for 4 years? (a) ₹90 (b) ₹360 (c) ₹450 (d) ₹1360
40. 40.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹10640 (b) ₹1425 (c) ₹1140 (d) ₹285

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