Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 434 · 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.₹8000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹8960 (b) ₹8240 (c) ₹8720 (d) ₹720
2. 2.The simple interest on ₹8000 for 4 years is ₹640. What is the rate per year? (a) 3% (b) 1% (c) 8% (d) 2%
3. 3.What is the simple interest on ₹3500 at 10% per year for 4 years? (a) ₹4900 (b) ₹350 (c) ₹1750 (d) ₹1400
4. 4.The simple interest on ₹8000 for 3 years is ₹480. What is the rate per year? (a) 6% (b) 2% (c) 1% (d) 3%
5. 5.In how many years will ₹8000 earn ₹960 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
6. 6.The simple interest on ₹4500 for 4 years is ₹2160. What is the rate per year? (a) 12% (b) 11% (c) 48% (d) 13%
7. 7.₹4000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹4240 (b) ₹4160 (c) ₹4080 (d) ₹160
8. 8.₹10000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10900 (b) ₹13600 (c) ₹3600 (d) ₹14500
9. 9.What is the simple interest on ₹5500 at 5% per year for 4 years? (a) ₹275 (b) ₹6600 (c) ₹1375 (d) ₹1100
10. 10.In how many years will ₹1000 earn ₹160 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
11. 11.The simple interest on ₹5500 for 2 years is ₹220. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
12. 12.The simple interest on ₹9500 for 4 years is ₹760. What is the rate per year? (a) 3% (b) 2% (c) 8% (d) 1%
13. 13.₹3000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹3630 (b) ₹3420 (c) ₹420 (d) ₹3210
14. 14.₹6500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹7280 (b) ₹6695 (c) ₹585 (d) ₹7085
15. 15.What is the simple interest on ₹9500 at 7% per year for 4 years? (a) ₹665 (b) ₹2660 (c) ₹3325 (d) ₹12160
16. 16.₹4000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹880 (b) ₹5320 (c) ₹4440 (d) ₹4880
17. 17.₹2500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹3375 (b) ₹3200 (c) ₹2675 (d) ₹700
18. 18.₹6500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹8320 (b) ₹1820 (c) ₹6955 (d) ₹8775
19. 19.The simple interest on ₹3000 for 2 years is ₹540. What is the rate per year? (a) 18% (b) 9% (c) 10% (d) 8%
20. 20.₹5000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹5600 (b) ₹2400 (c) ₹8000 (d) ₹7400
21. 21.In how many years will ₹1500 earn ₹300 simple interest at 5% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
22. 22.In how many years will ₹6500 earn ₹1950 simple interest at 6% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
23. 23.In how many years will ₹7500 earn ₹2475 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
24. 24.What is the simple interest on ₹3000 at 2% per year for 4 years? (a) ₹300 (b) ₹60 (c) ₹3240 (d) ₹240
25. 25.The simple interest on ₹5000 for 3 years is ₹450. What is the rate per year? (a) 3% (b) 4% (c) 9% (d) 2%
26. 26.In how many years will ₹9500 earn ₹5225 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
27. 27.₹4500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹4995 (b) ₹6480 (c) ₹1980 (d) ₹6975
28. 28.In how many years will ₹3000 earn ₹660 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
29. 29.₹1500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹270 (b) ₹1905 (c) ₹1770 (d) ₹1635
30. 30.What is the simple interest on ₹2000 at 9% per year for 5 years? (a) ₹2900 (b) ₹1080 (c) ₹900 (d) ₹180
31. 31.What is the simple interest on ₹4000 at 8% per year for 5 years? (a) ₹5600 (b) ₹1600 (c) ₹1920 (d) ₹320
32. 32.In how many years will ₹2500 earn ₹1100 simple interest at 11% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
33. 33.The simple interest on ₹8500 for 4 years is ₹680. What is the rate per year? (a) 8% (b) 3% (c) 1% (d) 2%
34. 34.In how many years will ₹3000 earn ₹810 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
35. 35.What is the simple interest on ₹5000 at 2% per year for 4 years? (a) ₹5400 (b) ₹500 (c) ₹400 (d) ₹100
36. 36.What is the simple interest on ₹1000 at 4% per year for 3 years? (a) ₹160 (b) ₹120 (c) ₹40 (d) ₹1120
37. 37.The simple interest on ₹4500 for 3 years is ₹1485. What is the rate per year? (a) 33% (b) 10% (c) 11% (d) 12%
38. 38.The simple interest on ₹7000 for 5 years is ₹3850. What is the rate per year? (a) 55% (b) 12% (c) 10% (d) 11%
39. 39.₹2000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2240 (b) ₹2180 (c) ₹180 (d) ₹2060
40. 40.₹2000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹2180 (c) ₹3080 (d) ₹2900

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