Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 617 · 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.₹6500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹9750 (b) ₹2600 (c) ₹7150 (d) ₹9100
2. 2.In how many years will ₹9000 earn ₹810 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
3. 3.What is the simple interest on ₹1500 at 5% per year for 4 years? (a) ₹375 (b) ₹1800 (c) ₹75 (d) ₹300
4. 4.What is the simple interest on ₹5000 at 8% per year for 4 years? (a) ₹400 (b) ₹6600 (c) ₹1600 (d) ₹2000
5. 5.What is the simple interest on ₹2000 at 11% per year for 4 years? (a) ₹1100 (b) ₹880 (c) ₹2880 (d) ₹220
6. 6.The simple interest on ₹2000 for 3 years is ₹540. What is the rate per year? (a) 27% (b) 9% (c) 10% (d) 8%
7. 7.What is the simple interest on ₹3500 at 9% per year for 4 years? (a) ₹4760 (b) ₹1575 (c) ₹1260 (d) ₹315
8. 8.The simple interest on ₹7500 for 2 years is ₹300. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 4%
9. 9.In how many years will ₹6000 earn ₹600 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
10. 10.In how many years will ₹6500 earn ₹2600 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
11. 11.₹9500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹10260 (b) ₹3040 (c) ₹12540 (d) ₹13300
12. 12.₹2000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹2080 (b) ₹2400 (c) ₹2480 (d) ₹400
13. 13.In how many years will ₹2000 earn ₹320 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
14. 14.The simple interest on ₹4500 for 3 years is ₹1620. What is the rate per year? (a) 36% (b) 12% (c) 11% (d) 13%
15. 15.The simple interest on ₹3000 for 4 years is ₹1320. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 44%
16. 16.The simple interest on ₹2500 for 5 years is ₹625. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 25%
17. 17.The simple interest on ₹10000 for 3 years is ₹1200. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 12%
18. 18.What is the simple interest on ₹6000 at 12% per year for 4 years? (a) ₹3600 (b) ₹720 (c) ₹8880 (d) ₹2880
19. 19.₹3500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3850 (b) ₹1400 (c) ₹5250 (d) ₹4900
20. 20.What is the simple interest on ₹9000 at 3% per year for 3 years? (a) ₹270 (b) ₹9810 (c) ₹810 (d) ₹1080
21. 21.What is the simple interest on ₹4500 at 9% per year for 4 years? (a) ₹405 (b) ₹6120 (c) ₹1620 (d) ₹2025
22. 22.What is the simple interest on ₹5000 at 2% per year for 4 years? (a) ₹400 (b) ₹100 (c) ₹500 (d) ₹5400
23. 23.₹7000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹7490 (b) ₹980 (c) ₹7980 (d) ₹8470
24. 24.What is the simple interest on ₹7000 at 9% per year for 2 years? (a) ₹1260 (b) ₹1890 (c) ₹630 (d) ₹8260
25. 25.What is the simple interest on ₹3500 at 7% per year for 5 years? (a) ₹245 (b) ₹1225 (c) ₹4725 (d) ₹1470
26. 26.The simple interest on ₹2000 for 3 years is ₹300. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 15%
27. 27.₹6000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2640 (b) ₹9300 (c) ₹6660 (d) ₹8640
28. 28.In how many years will ₹5500 earn ₹2420 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
29. 29.The simple interest on ₹3500 for 5 years is ₹1750. What is the rate per year? (a) 11% (b) 50% (c) 9% (d) 10%
30. 30.₹3500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹5040 (b) ₹3885 (c) ₹1155 (d) ₹4655
31. 31.What is the simple interest on ₹8000 at 3% per year for 5 years? (a) ₹9200 (b) ₹1440 (c) ₹240 (d) ₹1200
32. 32.What is the simple interest on ₹2500 at 10% per year for 4 years? (a) ₹1250 (b) ₹250 (c) ₹3500 (d) ₹1000
33. 33.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
34. 34.₹6000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹6720 (b) ₹6360 (c) ₹720 (d) ₹7080
35. 35.In how many years will ₹7500 earn ₹900 simple interest at 3% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
36. 36.What is the simple interest on ₹5000 at 6% per year for 4 years? (a) ₹1500 (b) ₹300 (c) ₹6200 (d) ₹1200
37. 37.In how many years will ₹10000 earn ₹1800 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
38. 38.In how many years will ₹1500 earn ₹180 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
39. 39.The simple interest on ₹5000 for 5 years is ₹3000. What is the rate per year? (a) 60% (b) 11% (c) 13% (d) 12%
40. 40.What is the simple interest on ₹4000 at 4% per year for 2 years? (a) ₹480 (b) ₹160 (c) ₹320 (d) ₹4320

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