Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 967 · 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 ₹6000 earn ₹900 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
2. 2.What is the simple interest on ₹1000 at 4% per year for 5 years? (a) ₹1200 (b) ₹40 (c) ₹240 (d) ₹200
3. 3.In how many years will ₹1500 earn ₹180 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
4. 4.What is the simple interest on ₹6500 at 9% per year for 3 years? (a) ₹8255 (b) ₹2340 (c) ₹585 (d) ₹1755
5. 5.In how many years will ₹2500 earn ₹225 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
6. 6.The simple interest on ₹8500 for 2 years is ₹340. What is the rate per year? (a) 4% (b) 2% (c) 1% (d) 3%
7. 7.The simple interest on ₹7500 for 2 years is ₹300. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
8. 8.₹9500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹10260 (b) ₹10070 (c) ₹570 (d) ₹9690
9. 9.In how many years will ₹6500 earn ₹975 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
10. 10.In how many years will ₹10000 earn ₹3300 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
11. 11.The simple interest on ₹5500 for 3 years is ₹330. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 6%
12. 12.What is the simple interest on ₹9000 at 8% per year for 5 years? (a) ₹720 (b) ₹3600 (c) ₹12600 (d) ₹4320
13. 13.What is the simple interest on ₹1500 at 8% per year for 5 years? (a) ₹720 (b) ₹2100 (c) ₹120 (d) ₹600
14. 14.What is the simple interest on ₹9000 at 9% per year for 4 years? (a) ₹810 (b) ₹12240 (c) ₹3240 (d) ₹4050
15. 15.The simple interest on ₹1500 for 4 years is ₹420. What is the rate per year? (a) 6% (b) 8% (c) 28% (d) 7%
16. 16.The simple interest on ₹5000 for 5 years is ₹1750. What is the rate per year? (a) 8% (b) 6% (c) 35% (d) 7%
17. 17.In how many years will ₹6500 earn ₹1170 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
18. 18.What is the simple interest on ₹6500 at 8% per year for 3 years? (a) ₹2080 (b) ₹8060 (c) ₹1560 (d) ₹520
19. 19.The simple interest on ₹7000 for 4 years is ₹2240. What is the rate per year? (a) 7% (b) 8% (c) 32% (d) 9%
20. 20.The simple interest on ₹7000 for 4 years is ₹3080. What is the rate per year? (a) 44% (b) 12% (c) 10% (d) 11%
21. 21.What is the simple interest on ₹8500 at 3% per year for 5 years? (a) ₹1275 (b) ₹9775 (c) ₹255 (d) ₹1530
22. 22.In how many years will ₹7500 earn ₹1350 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
23. 23.The simple interest on ₹8000 for 2 years is ₹960. What is the rate per year? (a) 12% (b) 5% (c) 7% (d) 6%
24. 24.The simple interest on ₹7500 for 5 years is ₹1125. What is the rate per year? (a) 3% (b) 15% (c) 4% (d) 2%
25. 25.What is the simple interest on ₹3000 at 2% per year for 3 years? (a) ₹60 (b) ₹3180 (c) ₹180 (d) ₹240
26. 26.In how many years will ₹9000 earn ₹1800 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
27. 27.In how many years will ₹2000 earn ₹120 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
28. 28.In how many years will ₹9500 earn ₹1995 simple interest at 7% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
29. 29.₹1500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1815 (b) ₹315 (c) ₹1605 (d) ₹1920
30. 30.What is the simple interest on ₹3000 at 11% per year for 3 years? (a) ₹990 (b) ₹330 (c) ₹3990 (d) ₹1320
31. 31.₹9000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹13320 (b) ₹10080 (c) ₹12240 (d) ₹3240
32. 32.The simple interest on ₹6500 for 5 years is ₹2925. What is the rate per year? (a) 9% (b) 10% (c) 8% (d) 45%
33. 33.The simple interest on ₹10000 for 3 years is ₹1500. What is the rate per year? (a) 15% (b) 5% (c) 4% (d) 6%
34. 34.What is the simple interest on ₹5500 at 8% per year for 5 years? (a) ₹440 (b) ₹7700 (c) ₹2640 (d) ₹2200
35. 35.₹3500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹3885 (b) ₹1925 (c) ₹5425 (d) ₹5810
36. 36.₹6500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹6890 (b) ₹1560 (c) ₹8450 (d) ₹8060
37. 37.What is the simple interest on ₹5500 at 12% per year for 4 years? (a) ₹3300 (b) ₹660 (c) ₹2640 (d) ₹8140
38. 38.₹6500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹7280 (b) ₹780 (c) ₹7670 (d) ₹6890
39. 39.In how many years will ₹2500 earn ₹825 simple interest at 11% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
40. 40.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 12% (b) 4% (c) 2% (d) 3%

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