Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 319 · 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 5 years is ₹1350. What is the rate per year? (a) 45% (b) 9% (c) 8% (d) 10%
2. 2.The simple interest on ₹5500 for 5 years is ₹550. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 10%
3. 3.The simple interest on ₹9000 for 4 years is ₹4320. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 48%
4. 4.What is the simple interest on ₹8000 at 2% per year for 3 years? (a) ₹8480 (b) ₹160 (c) ₹640 (d) ₹480
5. 5.The simple interest on ₹1500 for 3 years is ₹360. What is the rate per year? (a) 8% (b) 7% (c) 9% (d) 24%
6. 6.₹6000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹6960 (b) ₹6240 (c) ₹720 (d) ₹6720
7. 7.₹6000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹6540 (b) ₹6360 (c) ₹6180 (d) ₹360
8. 8.In how many years will ₹2000 earn ₹400 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
9. 9.₹4500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1350 (b) ₹5850 (c) ₹4770 (d) ₹6120
10. 10.What is the simple interest on ₹8000 at 3% per year for 3 years? (a) ₹8720 (b) ₹960 (c) ₹240 (d) ₹720
11. 11.What is the simple interest on ₹5000 at 3% per year for 5 years? (a) ₹150 (b) ₹750 (c) ₹5750 (d) ₹900
12. 12.The simple interest on ₹3500 for 2 years is ₹630. What is the rate per year? (a) 9% (b) 10% (c) 8% (d) 18%
13. 13.The simple interest on ₹4000 for 2 years is ₹880. What is the rate per year? (a) 12% (b) 11% (c) 22% (d) 10%
14. 14.₹8500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹9435 (b) ₹2805 (c) ₹11305 (d) ₹12240
15. 15.The simple interest on ₹9500 for 3 years is ₹3135. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 33%
16. 16.The simple interest on ₹5500 for 3 years is ₹1485. What is the rate per year? (a) 10% (b) 8% (c) 27% (d) 9%
17. 17.The simple interest on ₹3000 for 5 years is ₹1500. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 50%
18. 18.The simple interest on ₹6000 for 3 years is ₹1260. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 21%
19. 19.What is the simple interest on ₹9500 at 8% per year for 2 years? (a) ₹760 (b) ₹1520 (c) ₹2280 (d) ₹11020
20. 20.What is the simple interest on ₹1500 at 10% per year for 4 years? (a) ₹150 (b) ₹750 (c) ₹2100 (d) ₹600
21. 21.The simple interest on ₹6500 for 5 years is ₹1300. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 3%
22. 22.₹3000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹3090 (b) ₹3450 (c) ₹450 (d) ₹3540
23. 23.₹5000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2000 (b) ₹5400 (c) ₹7000 (d) ₹7400
24. 24.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹630 (b) ₹210 (c) ₹3420 (d) ₹420
25. 25.The simple interest on ₹6500 for 4 years is ₹1560. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 24%
26. 26.What is the simple interest on ₹7000 at 12% per year for 3 years? (a) ₹9520 (b) ₹840 (c) ₹2520 (d) ₹3360
27. 27.₹3500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹4550 (b) ₹4760 (c) ₹1050 (d) ₹3710
28. 28.What is the simple interest on ₹8000 at 6% per year for 4 years? (a) ₹480 (b) ₹9920 (c) ₹2400 (d) ₹1920
29. 29.₹5500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹5995 (b) ₹5830 (c) ₹5665 (d) ₹330
30. 30.₹7500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹7875 (b) ₹9375 (c) ₹9000 (d) ₹1500
31. 31.₹3000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹4200 (b) ₹900 (c) ₹3300 (d) ₹3900
32. 32.In how many years will ₹8500 earn ₹2805 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
33. 33.₹5500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹6600 (b) ₹825 (c) ₹6325 (d) ₹5775
34. 34.The simple interest on ₹7500 for 5 years is ₹750. What is the rate per year? (a) 1% (b) 10% (c) 3% (d) 2%
35. 35.₹1000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1090 (b) ₹1360 (c) ₹1270 (d) ₹270
36. 36.What is the simple interest on ₹7000 at 6% per year for 2 years? (a) ₹1260 (b) ₹840 (c) ₹7840 (d) ₹420
37. 37.What is the simple interest on ₹9500 at 8% per year for 5 years? (a) ₹3800 (b) ₹4560 (c) ₹13300 (d) ₹760
38. 38.In how many years will ₹6500 earn ₹1560 simple interest at 6% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
39. 39.The simple interest on ₹4000 for 5 years is ₹1800. What is the rate per year? (a) 10% (b) 45% (c) 8% (d) 9%
40. 40.What is the simple interest on ₹1500 at 3% per year for 5 years? (a) ₹270 (b) ₹225 (c) ₹45 (d) ₹1725

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