Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 201 · 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 ₹7000 earn ₹1890 simple interest at 9% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
2. 2.The simple interest on ₹8000 for 2 years is ₹1760. What is the rate per year? (a) 22% (b) 10% (c) 12% (d) 11%
3. 3.In how many years will ₹8500 earn ₹3400 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
4. 4.In how many years will ₹1500 earn ₹330 simple interest at 11% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
5. 5.What is the simple interest on ₹6500 at 5% per year for 3 years? (a) ₹1300 (b) ₹325 (c) ₹975 (d) ₹7475
6. 6.What is the simple interest on ₹6500 at 4% per year for 2 years? (a) ₹260 (b) ₹7020 (c) ₹520 (d) ₹780
7. 7.The simple interest on ₹7000 for 4 years is ₹1400. What is the rate per year? (a) 20% (b) 6% (c) 4% (d) 5%
8. 8.In how many years will ₹2000 earn ₹1200 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
9. 9.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3815 (b) ₹3605 (c) ₹210 (d) ₹3710
10. 10.₹1000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹350 (b) ₹1070 (c) ₹1420 (d) ₹1350
11. 11.In how many years will ₹6500 earn ₹520 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
12. 12.What is the simple interest on ₹9500 at 9% per year for 3 years? (a) ₹855 (b) ₹3420 (c) ₹12065 (d) ₹2565
13. 13.The simple interest on ₹2000 for 4 years is ₹400. What is the rate per year? (a) 20% (b) 6% (c) 4% (d) 5%
14. 14.The simple interest on ₹4500 for 2 years is ₹1080. What is the rate per year? (a) 11% (b) 13% (c) 24% (d) 12%
15. 15.In how many years will ₹4500 earn ₹450 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
16. 16.The simple interest on ₹2500 for 4 years is ₹1200. What is the rate per year? (a) 13% (b) 48% (c) 12% (d) 11%
17. 17.The simple interest on ₹6500 for 2 years is ₹1040. What is the rate per year? (a) 9% (b) 7% (c) 16% (d) 8%
18. 18.What is the simple interest on ₹6500 at 5% per year for 4 years? (a) ₹7800 (b) ₹1625 (c) ₹1300 (d) ₹325
19. 19.What is the simple interest on ₹2500 at 2% per year for 5 years? (a) ₹250 (b) ₹300 (c) ₹50 (d) ₹2750
20. 20.What is the simple interest on ₹5500 at 7% per year for 2 years? (a) ₹1155 (b) ₹385 (c) ₹770 (d) ₹6270
21. 21.₹6000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹6240 (c) ₹6720 (d) ₹6480
22. 22.The simple interest on ₹1500 for 2 years is ₹60. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 1%
23. 23.₹8000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹10160 (b) ₹8720 (c) ₹9440 (d) ₹1440
24. 24.What is the simple interest on ₹4000 at 3% per year for 3 years? (a) ₹4360 (b) ₹480 (c) ₹360 (d) ₹120
25. 25.₹4000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹5920 (b) ₹6400 (c) ₹1920 (d) ₹4480
26. 26.In how many years will ₹1000 earn ₹120 simple interest at 6% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
27. 27.What is the simple interest on ₹2500 at 7% per year for 3 years? (a) ₹3025 (b) ₹700 (c) ₹525 (d) ₹175
28. 28.The simple interest on ₹2000 for 5 years is ₹400. What is the rate per year? (a) 5% (b) 20% (c) 3% (d) 4%
29. 29.₹6000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹8100 (b) ₹2100 (c) ₹6420 (d) ₹8520
30. 30.What is the simple interest on ₹5000 at 8% per year for 3 years? (a) ₹1200 (b) ₹400 (c) ₹1600 (d) ₹6200
31. 31.In how many years will ₹7500 earn ₹1800 simple interest at 8% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
32. 32.The simple interest on ₹3500 for 4 years is ₹560. What is the rate per year? (a) 16% (b) 5% (c) 3% (d) 4%
33. 33.₹6500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹520 (b) ₹6630 (c) ₹7150 (d) ₹7020
34. 34.In how many years will ₹1500 earn ₹120 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
35. 35.In how many years will ₹5000 earn ₹2500 simple interest at 10% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
36. 36.The simple interest on ₹6500 for 3 years is ₹585. What is the rate per year? (a) 4% (b) 3% (c) 9% (d) 2%
37. 37.In how many years will ₹8500 earn ₹1700 simple interest at 10% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
38. 38.What is the simple interest on ₹6000 at 6% per year for 5 years? (a) ₹360 (b) ₹2160 (c) ₹1800 (d) ₹7800
39. 39.In how many years will ₹8000 earn ₹640 simple interest at 2% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
40. 40.₹3500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹3780 (b) ₹1120 (c) ₹4900 (d) ₹4620

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