Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 564 · 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 ₹5500 for 2 years is ₹1210. What is the rate per year? (a) 12% (b) 22% (c) 10% (d) 11%
2. 2.In how many years will ₹1500 earn ₹525 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
3. 3.What is the simple interest on ₹10000 at 9% per year for 5 years? (a) ₹5400 (b) ₹14500 (c) ₹4500 (d) ₹900
4. 4.The simple interest on ₹3000 for 3 years is ₹450. What is the rate per year? (a) 15% (b) 5% (c) 4% (d) 6%
5. 5.What is the simple interest on ₹6000 at 3% per year for 3 years? (a) ₹180 (b) ₹6540 (c) ₹720 (d) ₹540
6. 6.₹3000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹3150 (b) ₹3450 (c) ₹3600 (d) ₹450
7. 7.The simple interest on ₹6500 for 3 years is ₹1170. What is the rate per year? (a) 18% (b) 7% (c) 6% (d) 5%
8. 8.What is the simple interest on ₹6000 at 4% per year for 4 years? (a) ₹960 (b) ₹240 (c) ₹1200 (d) ₹6960
9. 9.The simple interest on ₹5000 for 4 years is ₹1800. What is the rate per year? (a) 10% (b) 9% (c) 36% (d) 8%
10. 10.What is the simple interest on ₹7000 at 7% per year for 3 years? (a) ₹1960 (b) ₹8470 (c) ₹490 (d) ₹1470
11. 11.In how many years will ₹2000 earn ₹120 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
12. 12.In how many years will ₹9000 earn ₹1440 simple interest at 4% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
13. 13.In how many years will ₹5000 earn ₹1350 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
14. 14.The simple interest on ₹7000 for 2 years is ₹1680. What is the rate per year? (a) 11% (b) 12% (c) 24% (d) 13%
15. 15.The simple interest on ₹4500 for 2 years is ₹180. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 1%
16. 16.What is the simple interest on ₹3500 at 7% per year for 3 years? (a) ₹735 (b) ₹980 (c) ₹245 (d) ₹4235
17. 17.In how many years will ₹6500 earn ₹3120 simple interest at 12% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
18. 18.What is the simple interest on ₹9500 at 5% per year for 2 years? (a) ₹1425 (b) ₹950 (c) ₹475 (d) ₹10450
19. 19.In how many years will ₹2000 earn ₹1200 simple interest at 12% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
20. 20.The simple interest on ₹7500 for 5 years is ₹3750. What is the rate per year? (a) 50% (b) 9% (c) 10% (d) 11%
21. 21.What is the simple interest on ₹4500 at 5% per year for 3 years? (a) ₹5175 (b) ₹900 (c) ₹675 (d) ₹225
22. 22.₹9000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹9540 (b) ₹2700 (c) ₹11700 (d) ₹12240
23. 23.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10030 (b) ₹9775 (c) ₹8755 (d) ₹1275
24. 24.In how many years will ₹8500 earn ₹1360 simple interest at 4% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
25. 25.In how many years will ₹7500 earn ₹1500 simple interest at 4% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
26. 26.The simple interest on ₹9500 for 3 years is ₹3135. What is the rate per year? (a) 12% (b) 11% (c) 33% (d) 10%
27. 27.₹7500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10875 (b) ₹2700 (c) ₹10200 (d) ₹8175
28. 28.₹2000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹720 (b) ₹2960 (c) ₹2720 (d) ₹2240
29. 29.In how many years will ₹6500 earn ₹2145 simple interest at 11% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
30. 30.The simple interest on ₹9500 for 5 years is ₹5700. What is the rate per year? (a) 13% (b) 11% (c) 60% (d) 12%
31. 31.What is the simple interest on ₹7500 at 3% per year for 3 years? (a) ₹8175 (b) ₹900 (c) ₹225 (d) ₹675
32. 32.What is the simple interest on ₹6000 at 4% per year for 3 years? (a) ₹960 (b) ₹6720 (c) ₹720 (d) ₹240
33. 33.₹8500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1020 (b) ₹9520 (c) ₹9860 (d) ₹8840
34. 34.In how many years will ₹1000 earn ₹600 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
35. 35.₹3000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹3480 (c) ₹3240 (d) ₹3720
36. 36.In how many years will ₹2500 earn ₹525 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
37. 37.The simple interest on ₹9000 for 2 years is ₹1260. What is the rate per year? (a) 7% (b) 6% (c) 14% (d) 8%
38. 38.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹630 (b) ₹3420 (c) ₹420 (d) ₹210
39. 39.What is the simple interest on ₹6000 at 9% per year for 4 years? (a) ₹2160 (b) ₹8160 (c) ₹540 (d) ₹2700
40. 40.In how many years will ₹1500 earn ₹675 simple interest at 9% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years

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