Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 784 · 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 ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 11% (b) 12% (c) 22% (d) 10%
2. 2.What is the simple interest on ₹9000 at 3% per year for 4 years? (a) ₹1080 (b) ₹1350 (c) ₹10080 (d) ₹270
3. 3.The simple interest on ₹1500 for 5 years is ₹150. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 10%
4. 4.The simple interest on ₹2500 for 3 years is ₹900. What is the rate per year? (a) 11% (b) 12% (c) 13% (d) 36%
5. 5.In how many years will ₹2500 earn ₹1000 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
6. 6.The simple interest on ₹2000 for 5 years is ₹500. What is the rate per year? (a) 25% (b) 5% (c) 4% (d) 6%
7. 7.The simple interest on ₹7500 for 3 years is ₹2700. What is the rate per year? (a) 11% (b) 36% (c) 12% (d) 13%
8. 8.What is the simple interest on ₹9500 at 12% per year for 3 years? (a) ₹4560 (b) ₹1140 (c) ₹12920 (d) ₹3420
9. 9.In how many years will ₹9000 earn ₹1080 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
10. 10.In how many years will ₹5500 earn ₹2200 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
11. 11.The simple interest on ₹9500 for 5 years is ₹1425. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 15%
12. 12.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹225 (b) ₹75 (c) ₹150 (d) ₹2650
13. 13.₹3500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1925 (b) ₹5810 (c) ₹5425 (d) ₹3885
14. 14.In how many years will ₹8500 earn ₹2040 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
15. 15.₹8000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹11600 (b) ₹3600 (c) ₹8720 (d) ₹12320
16. 16.₹5500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹5775 (b) ₹6875 (c) ₹1100 (d) ₹6600
17. 17.What is the simple interest on ₹3500 at 7% per year for 2 years? (a) ₹245 (b) ₹490 (c) ₹3990 (d) ₹735
18. 18.What is the simple interest on ₹5000 at 6% per year for 2 years? (a) ₹300 (b) ₹900 (c) ₹5600 (d) ₹600
19. 19.In how many years will ₹3000 earn ₹990 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
20. 20.In how many years will ₹6500 earn ₹1365 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
21. 21.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹2700 (b) ₹2900 (c) ₹400 (d) ₹3100
22. 22.₹9000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹12600 (c) ₹13500 (d) ₹9900
23. 23.The simple interest on ₹2000 for 4 years is ₹960. What is the rate per year? (a) 13% (b) 12% (c) 11% (d) 48%
24. 24.The simple interest on ₹6500 for 5 years is ₹3575. What is the rate per year? (a) 10% (b) 12% (c) 55% (d) 11%
25. 25.What is the simple interest on ₹9000 at 10% per year for 5 years? (a) ₹900 (b) ₹4500 (c) ₹13500 (d) ₹5400
26. 26.The simple interest on ₹2000 for 3 years is ₹540. What is the rate per year? (a) 27% (b) 9% (c) 8% (d) 10%
27. 27.The simple interest on ₹7000 for 4 years is ₹2240. What is the rate per year? (a) 9% (b) 8% (c) 7% (d) 32%
28. 28.In how many years will ₹3000 earn ₹750 simple interest at 5% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
29. 29.₹1500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1560 (b) ₹1800 (c) ₹1740 (d) ₹240
30. 30.The simple interest on ₹9500 for 3 years is ₹2850. What is the rate per year? (a) 9% (b) 11% (c) 30% (d) 10%
31. 31.The simple interest on ₹6500 for 3 years is ₹390. What is the rate per year? (a) 6% (b) 1% (c) 2% (d) 3%
32. 32.The simple interest on ₹9500 for 4 years is ₹2660. What is the rate per year? (a) 6% (b) 7% (c) 28% (d) 8%
33. 33.The simple interest on ₹8000 for 2 years is ₹1280. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 16%
34. 34.₹2000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹2480 (c) ₹2360 (d) ₹2120
35. 35.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹2400 (b) ₹2080 (c) ₹2320 (d) ₹320
36. 36.In how many years will ₹7000 earn ₹1540 simple interest at 11% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
37. 37.In how many years will ₹2500 earn ₹500 simple interest at 4% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
38. 38.₹9000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹11160 (b) ₹1800 (c) ₹9360 (d) ₹10800
39. 39.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹6160 (b) ₹5610 (c) ₹6050 (d) ₹550
40. 40.₹5000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹6800 (b) ₹1350 (c) ₹6350 (d) ₹5450

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