Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 922 · 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 ₹2000 for 5 years is ₹600. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 30%
2. 2.The simple interest on ₹3500 for 2 years is ₹840. What is the rate per year? (a) 13% (b) 24% (c) 11% (d) 12%
3. 3.The simple interest on ₹3500 for 2 years is ₹140. What is the rate per year? (a) 1% (b) 4% (c) 2% (d) 3%
4. 4.In how many years will ₹5500 earn ₹330 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
5. 5.What is the simple interest on ₹8000 at 6% per year for 2 years? (a) ₹8960 (b) ₹960 (c) ₹1440 (d) ₹480
6. 6.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
7. 7.₹9000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹14400 (b) ₹10080 (c) ₹15480 (d) ₹5400
8. 8.What is the simple interest on ₹9500 at 9% per year for 2 years? (a) ₹1710 (b) ₹2565 (c) ₹11210 (d) ₹855
9. 9.The simple interest on ₹5500 for 2 years is ₹660. What is the rate per year? (a) 12% (b) 5% (c) 7% (d) 6%
10. 10.The simple interest on ₹8500 for 2 years is ₹850. What is the rate per year? (a) 5% (b) 10% (c) 6% (d) 4%
11. 11.What is the simple interest on ₹8500 at 3% per year for 4 years? (a) ₹255 (b) ₹9520 (c) ₹1020 (d) ₹1275
12. 12.What is the simple interest on ₹8500 at 3% per year for 5 years? (a) ₹1530 (b) ₹9775 (c) ₹255 (d) ₹1275
13. 13.The simple interest on ₹2000 for 2 years is ₹200. What is the rate per year? (a) 10% (b) 6% (c) 4% (d) 5%
14. 14.The simple interest on ₹9000 for 2 years is ₹900. What is the rate per year? (a) 6% (b) 10% (c) 5% (d) 4%
15. 15.₹3500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹4550 (b) ₹875 (c) ₹4375 (d) ₹3675
16. 16.In how many years will ₹6500 earn ₹390 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
17. 17.₹2500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹2775 (c) ₹1100 (d) ₹3875
18. 18.What is the simple interest on ₹3500 at 12% per year for 2 years? (a) ₹1260 (b) ₹420 (c) ₹4340 (d) ₹840
19. 19.In how many years will ₹10000 earn ₹600 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
20. 20.What is the simple interest on ₹7500 at 3% per year for 2 years? (a) ₹7950 (b) ₹450 (c) ₹225 (d) ₹675
21. 21.What is the simple interest on ₹7000 at 6% per year for 5 years? (a) ₹2100 (b) ₹9100 (c) ₹2520 (d) ₹420
22. 22.₹1000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1250 (b) ₹1050 (c) ₹200 (d) ₹1200
23. 23.In how many years will ₹5000 earn ₹3000 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
24. 24.What is the simple interest on ₹3500 at 11% per year for 3 years? (a) ₹1540 (b) ₹1155 (c) ₹4655 (d) ₹385
25. 25.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹160 (b) ₹240 (c) ₹2160 (d) ₹80
26. 26.The simple interest on ₹1500 for 4 years is ₹420. What is the rate per year? (a) 6% (b) 7% (c) 28% (d) 8%
27. 27.₹6000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2160 (b) ₹6540 (c) ₹8700 (d) ₹8160
28. 28.The simple interest on ₹2000 for 3 years is ₹720. What is the rate per year? (a) 36% (b) 13% (c) 12% (d) 11%
29. 29.What is the simple interest on ₹4500 at 11% per year for 2 years? (a) ₹1485 (b) ₹495 (c) ₹5490 (d) ₹990
30. 30.₹9000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10350 (b) ₹10620 (c) ₹1350 (d) ₹9270
31. 31.The simple interest on ₹2500 for 4 years is ₹500. What is the rate per year? (a) 5% (b) 6% (c) 20% (d) 4%
32. 32.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹4400 (b) ₹600 (c) ₹200 (d) ₹400
33. 33.In how many years will ₹5000 earn ₹1000 simple interest at 4% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
34. 34.In how many years will ₹9500 earn ₹380 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
35. 35.The simple interest on ₹3000 for 5 years is ₹1200. What is the rate per year? (a) 40% (b) 9% (c) 8% (d) 7%
36. 36.₹2000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹2360 (c) ₹2120 (d) ₹2480
37. 37.In how many years will ₹6000 earn ₹600 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
38. 38.The simple interest on ₹1000 for 5 years is ₹550. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 55%
39. 39.₹2500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹4000 (b) ₹1200 (c) ₹3700 (d) ₹2800
40. 40.In how many years will ₹1000 earn ₹160 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years

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