Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 566 · 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 2 years is ₹360. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 12%
2. 2.The simple interest on ₹9000 for 3 years is ₹2430. What is the rate per year? (a) 27% (b) 8% (c) 9% (d) 10%
3. 3.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹135 (b) ₹90 (c) ₹45 (d) ₹1590
4. 4.In how many years will ₹4500 earn ₹630 simple interest at 7% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
5. 5.₹3000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹4260 (b) ₹3210 (c) ₹4050 (d) ₹1050
6. 6.₹2500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2950 (b) ₹2875 (c) ₹375 (d) ₹2575
7. 7.₹2000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹720 (b) ₹2900 (c) ₹2720 (d) ₹2180
8. 8.In how many years will ₹8500 earn ₹2380 simple interest at 7% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
9. 9.The simple interest on ₹3500 for 5 years is ₹2100. What is the rate per year? (a) 13% (b) 12% (c) 60% (d) 11%
10. 10.The simple interest on ₹3500 for 2 years is ₹770. What is the rate per year? (a) 22% (b) 12% (c) 10% (d) 11%
11. 11.The simple interest on ₹1000 for 3 years is ₹90. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 9%
12. 12.₹4000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹4400 (b) ₹4320 (c) ₹4080 (d) ₹320
13. 13.In how many years will ₹1000 earn ₹100 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
14. 14.₹1000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹250 (b) ₹1300 (c) ₹1050 (d) ₹1250
15. 15.What is the simple interest on ₹3000 at 12% per year for 4 years? (a) ₹1440 (b) ₹4440 (c) ₹360 (d) ₹1800
16. 16.What is the simple interest on ₹3500 at 9% per year for 5 years? (a) ₹1575 (b) ₹1890 (c) ₹5075 (d) ₹315
17. 17.The simple interest on ₹4000 for 2 years is ₹720. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 18%
18. 18.In how many years will ₹2500 earn ₹600 simple interest at 12% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
19. 19.In how many years will ₹6500 earn ₹2080 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
20. 20.What is the simple interest on ₹6000 at 6% per year for 5 years? (a) ₹1800 (b) ₹7800 (c) ₹360 (d) ₹2160
21. 21.What is the simple interest on ₹4500 at 7% per year for 2 years? (a) ₹5130 (b) ₹630 (c) ₹945 (d) ₹315
22. 22.What is the simple interest on ₹4000 at 8% per year for 5 years? (a) ₹1600 (b) ₹1920 (c) ₹5600 (d) ₹320
23. 23.The simple interest on ₹8500 for 2 years is ₹1700. What is the rate per year? (a) 9% (b) 11% (c) 20% (d) 10%
24. 24.The simple interest on ₹9000 for 4 years is ₹2520. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 28%
25. 25.What is the simple interest on ₹2000 at 11% per year for 2 years? (a) ₹220 (b) ₹440 (c) ₹660 (d) ₹2440
26. 26.What is the simple interest on ₹5500 at 11% per year for 5 years? (a) ₹605 (b) ₹3025 (c) ₹3630 (d) ₹8525
27. 27.In how many years will ₹2500 earn ₹600 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
28. 28.In how many years will ₹1000 earn ₹240 simple interest at 12% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
29. 29.In how many years will ₹3500 earn ₹1050 simple interest at 6% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
30. 30.What is the simple interest on ₹7500 at 8% per year for 2 years? (a) ₹8700 (b) ₹1200 (c) ₹1800 (d) ₹600
31. 31.₹9000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹9270 (b) ₹10080 (c) ₹810 (d) ₹9810
32. 32.The simple interest on ₹2500 for 2 years is ₹150. What is the rate per year? (a) 6% (b) 3% (c) 4% (d) 2%
33. 33.In how many years will ₹6000 earn ₹2100 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
34. 34.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹20 (b) ₹1060 (c) ₹80 (d) ₹60
35. 35.What is the simple interest on ₹3000 at 8% per year for 4 years? (a) ₹1200 (b) ₹960 (c) ₹3960 (d) ₹240
36. 36.What is the simple interest on ₹9500 at 4% per year for 5 years? (a) ₹380 (b) ₹1900 (c) ₹11400 (d) ₹2280
37. 37.In how many years will ₹2500 earn ₹350 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
38. 38.What is the simple interest on ₹1500 at 8% per year for 4 years? (a) ₹1980 (b) ₹600 (c) ₹480 (d) ₹120
39. 39.The simple interest on ₹10000 for 3 years is ₹2400. What is the rate per year? (a) 9% (b) 8% (c) 24% (d) 7%
40. 40.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹210 (b) ₹840 (c) ₹630 (d) ₹7630

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