Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 846 · 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.In how many years will ₹5500 earn ₹1980 simple interest at 12% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
2. 2.₹9500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹11780 (b) ₹2280 (c) ₹12920 (d) ₹10640
3. 3.In how many years will ₹1500 earn ₹900 simple interest at 12% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
4. 4.The simple interest on ₹3000 for 2 years is ₹420. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 14%
5. 5.The simple interest on ₹8500 for 2 years is ₹850. What is the rate per year? (a) 5% (b) 10% (c) 6% (d) 4%
6. 6.What is the simple interest on ₹2500 at 10% per year for 4 years? (a) ₹250 (b) ₹1250 (c) ₹1000 (d) ₹3500
7. 7.The simple interest on ₹7000 for 3 years is ₹420. What is the rate per year? (a) 6% (b) 1% (c) 2% (d) 3%
8. 8.₹6000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹9600 (b) ₹9000 (c) ₹6600 (d) ₹3000
9. 9.In how many years will ₹6000 earn ₹1440 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
10. 10.What is the simple interest on ₹3500 at 8% per year for 2 years? (a) ₹560 (b) ₹280 (c) ₹840 (d) ₹4060
11. 11.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹600 (b) ₹400 (c) ₹200 (d) ₹10400
12. 12.₹3000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹4800 (b) ₹1800 (c) ₹3360 (d) ₹5160
13. 13.What is the simple interest on ₹9000 at 6% per year for 5 years? (a) ₹3240 (b) ₹11700 (c) ₹540 (d) ₹2700
14. 14.What is the simple interest on ₹9500 at 5% per year for 2 years? (a) ₹10450 (b) ₹475 (c) ₹1425 (d) ₹950
15. 15.₹4500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹6480 (b) ₹1485 (c) ₹4995 (d) ₹5985
16. 16.₹6500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹7150 (b) ₹6630 (c) ₹7280 (d) ₹650
17. 17.In how many years will ₹8000 earn ₹320 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
18. 18.What is the simple interest on ₹5500 at 7% per year for 4 years? (a) ₹7040 (b) ₹385 (c) ₹1925 (d) ₹1540
19. 19.In how many years will ₹3500 earn ₹700 simple interest at 4% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
20. 20.The simple interest on ₹7500 for 3 years is ₹2475. What is the rate per year? (a) 11% (b) 10% (c) 33% (d) 12%
21. 21.₹10000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹10400 (b) ₹400 (c) ₹10200 (d) ₹10600
22. 22.What is the simple interest on ₹9000 at 4% per year for 3 years? (a) ₹360 (b) ₹1440 (c) ₹1080 (d) ₹10080
23. 23.The simple interest on ₹9000 for 5 years is ₹1800. What is the rate per year? (a) 20% (b) 4% (c) 3% (d) 5%
24. 24.₹1000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1600 (b) ₹1100 (c) ₹1500 (d) ₹500
25. 25.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10030 (b) ₹1275 (c) ₹9775 (d) ₹8755
26. 26.What is the simple interest on ₹1500 at 11% per year for 4 years? (a) ₹660 (b) ₹2160 (c) ₹825 (d) ₹165
27. 27.The simple interest on ₹5000 for 3 years is ₹750. What is the rate per year? (a) 4% (b) 15% (c) 5% (d) 6%
28. 28.The simple interest on ₹7500 for 5 years is ₹1875. What is the rate per year? (a) 25% (b) 6% (c) 4% (d) 5%
29. 29.In how many years will ₹4500 earn ₹2025 simple interest at 9% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
30. 30.The simple interest on ₹3000 for 4 years is ₹240. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 8%
31. 31.The simple interest on ₹6500 for 3 years is ₹390. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 6%
32. 32.What is the simple interest on ₹4500 at 9% per year for 3 years? (a) ₹405 (b) ₹1620 (c) ₹5715 (d) ₹1215
33. 33.What is the simple interest on ₹4000 at 9% per year for 5 years? (a) ₹360 (b) ₹2160 (c) ₹5800 (d) ₹1800
34. 34.In how many years will ₹5500 earn ₹2420 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
35. 35.In how many years will ₹7500 earn ₹3600 simple interest at 12% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
36. 36.In how many years will ₹9500 earn ₹3800 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
37. 37.The simple interest on ₹5500 for 2 years is ₹550. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 10%
38. 38.The simple interest on ₹10000 for 3 years is ₹1200. What is the rate per year? (a) 4% (b) 5% (c) 12% (d) 3%
39. 39.In how many years will ₹3000 earn ₹180 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
40. 40.The simple interest on ₹1000 for 2 years is ₹200. What is the rate per year? (a) 11% (b) 9% (c) 20% (d) 10%

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