Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 961 · 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.₹3500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹5180 (b) ₹4760 (c) ₹3920 (d) ₹1260
2. 2.The simple interest on ₹2000 for 5 years is ₹400. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 20%
3. 3.The simple interest on ₹1000 for 3 years is ₹360. What is the rate per year? (a) 36% (b) 12% (c) 11% (d) 13%
4. 4.The simple interest on ₹5000 for 4 years is ₹1000. What is the rate per year? (a) 20% (b) 6% (c) 5% (d) 4%
5. 5.₹9000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹10350 (b) ₹900 (c) ₹9450 (d) ₹9900
6. 6.₹5500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹6490 (b) ₹6820 (c) ₹5830 (d) ₹990
7. 7.The simple interest on ₹2000 for 4 years is ₹480. What is the rate per year? (a) 5% (b) 24% (c) 7% (d) 6%
8. 8.The simple interest on ₹2000 for 2 years is ₹360. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 18%
9. 9.What is the simple interest on ₹2000 at 2% per year for 3 years? (a) ₹120 (b) ₹40 (c) ₹160 (d) ₹2120
10. 10.In how many years will ₹2500 earn ₹750 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
11. 11.In how many years will ₹5500 earn ₹3300 simple interest at 12% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
12. 12.The simple interest on ₹1500 for 5 years is ₹150. What is the rate per year? (a) 10% (b) 3% (c) 2% (d) 1%
13. 13.What is the simple interest on ₹9500 at 11% per year for 4 years? (a) ₹1045 (b) ₹4180 (c) ₹13680 (d) ₹5225
14. 14.In how many years will ₹4500 earn ₹810 simple interest at 9% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
15. 15.What is the simple interest on ₹9000 at 5% per year for 3 years? (a) ₹450 (b) ₹10350 (c) ₹1350 (d) ₹1800
16. 16.₹8500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹9180 (b) ₹2040 (c) ₹10540 (d) ₹11220
17. 17.What is the simple interest on ₹7500 at 4% per year for 5 years? (a) ₹1800 (b) ₹300 (c) ₹9000 (d) ₹1500
18. 18.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹135 (b) ₹675 (c) ₹5175 (d) ₹810
19. 19.What is the simple interest on ₹5000 at 11% per year for 2 years? (a) ₹6100 (b) ₹550 (c) ₹1650 (d) ₹1100
20. 20.₹7000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7420 (b) ₹7280 (c) ₹280 (d) ₹7140
21. 21.In how many years will ₹4000 earn ₹640 simple interest at 8% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
22. 22.What is the simple interest on ₹1500 at 11% per year for 3 years? (a) ₹495 (b) ₹1995 (c) ₹660 (d) ₹165
23. 23.In how many years will ₹7500 earn ₹1125 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
24. 24.What is the simple interest on ₹8000 at 4% per year for 2 years? (a) ₹320 (b) ₹960 (c) ₹640 (d) ₹8640
25. 25.What is the simple interest on ₹10000 at 12% per year for 3 years? (a) ₹1200 (b) ₹4800 (c) ₹13600 (d) ₹3600
26. 26.The simple interest on ₹1000 for 4 years is ₹440. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 44%
27. 27.The simple interest on ₹6500 for 5 years is ₹3575. What is the rate per year? (a) 10% (b) 12% (c) 55% (d) 11%
28. 28.The simple interest on ₹4000 for 5 years is ₹2200. What is the rate per year? (a) 12% (b) 55% (c) 10% (d) 11%
29. 29.What is the simple interest on ₹8500 at 3% per year for 3 years? (a) ₹255 (b) ₹1020 (c) ₹9265 (d) ₹765
30. 30.₹7000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹7560 (b) ₹9800 (c) ₹2800 (d) ₹10360
31. 31.The simple interest on ₹8500 for 4 years is ₹3400. What is the rate per year? (a) 10% (b) 11% (c) 40% (d) 9%
32. 32.What is the simple interest on ₹4500 at 7% per year for 2 years? (a) ₹315 (b) ₹5130 (c) ₹945 (d) ₹630
33. 33.What is the simple interest on ₹7500 at 9% per year for 3 years? (a) ₹9525 (b) ₹2700 (c) ₹675 (d) ₹2025
34. 34.The simple interest on ₹1000 for 2 years is ₹140. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 14%
35. 35.What is the simple interest on ₹6000 at 9% per year for 3 years? (a) ₹2160 (b) ₹540 (c) ₹1620 (d) ₹7620
36. 36.The simple interest on ₹6000 for 5 years is ₹2400. What is the rate per year? (a) 8% (b) 40% (c) 7% (d) 9%
37. 37.₹7000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹12040 (b) ₹4200 (c) ₹11200 (d) ₹7840
38. 38.What is the simple interest on ₹5000 at 4% per year for 5 years? (a) ₹6000 (b) ₹200 (c) ₹1200 (d) ₹1000
39. 39.In how many years will ₹1000 earn ₹330 simple interest at 11% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
40. 40.₹5500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹6160 (b) ₹5720 (c) ₹5940 (d) ₹440

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