Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 203 · 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 ₹9500 for 5 years is ₹5700. What is the rate per year? (a) 13% (b) 60% (c) 11% (d) 12%
2. 2.The simple interest on ₹3000 for 2 years is ₹720. What is the rate per year? (a) 11% (b) 13% (c) 24% (d) 12%
3. 3.In how many years will ₹4500 earn ₹990 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
4. 4.The simple interest on ₹5500 for 4 years is ₹1100. What is the rate per year? (a) 5% (b) 4% (c) 20% (d) 6%
5. 5.What is the simple interest on ₹1000 at 10% per year for 4 years? (a) ₹400 (b) ₹500 (c) ₹1400 (d) ₹100
6. 6.In how many years will ₹1500 earn ₹210 simple interest at 7% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
7. 7.₹4500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹5040 (b) ₹6660 (c) ₹2160 (d) ₹7200
8. 8.What is the simple interest on ₹10000 at 5% per year for 4 years? (a) ₹2000 (b) ₹500 (c) ₹12000 (d) ₹2500
9. 9.In how many years will ₹3000 earn ₹600 simple interest at 4% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
10. 10.In how many years will ₹3000 earn ₹120 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
11. 11.What is the simple interest on ₹2500 at 12% per year for 3 years? (a) ₹3400 (b) ₹1200 (c) ₹300 (d) ₹900
12. 12.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3605 (b) ₹210 (c) ₹3710 (d) ₹3815
13. 13.₹3000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹4080 (b) ₹900 (c) ₹3900 (d) ₹3180
14. 14.The simple interest on ₹1500 for 5 years is ₹150. What is the rate per year? (a) 1% (b) 3% (c) 10% (d) 2%
15. 15.What is the simple interest on ₹7000 at 9% per year for 5 years? (a) ₹630 (b) ₹3780 (c) ₹3150 (d) ₹10150
16. 16.In how many years will ₹6500 earn ₹650 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
17. 17.₹4000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1200 (b) ₹5600 (c) ₹4400 (d) ₹5200
18. 18.In how many years will ₹4000 earn ₹400 simple interest at 5% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
19. 19.The simple interest on ₹7000 for 3 years is ₹420. What is the rate per year? (a) 2% (b) 3% (c) 6% (d) 1%
20. 20.₹6000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹6240 (c) ₹6360 (d) ₹6120
21. 21.₹4000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹5280 (b) ₹5600 (c) ₹4320 (d) ₹1280
22. 22.What is the simple interest on ₹4000 at 12% per year for 2 years? (a) ₹1440 (b) ₹960 (c) ₹480 (d) ₹4960
23. 23.What is the simple interest on ₹6500 at 11% per year for 4 years? (a) ₹3575 (b) ₹715 (c) ₹2860 (d) ₹9360
24. 24.What is the simple interest on ₹8500 at 8% per year for 4 years? (a) ₹680 (b) ₹3400 (c) ₹2720 (d) ₹11220
25. 25.The simple interest on ₹8000 for 3 years is ₹2640. What is the rate per year? (a) 11% (b) 33% (c) 10% (d) 12%
26. 26.₹1500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1665 (b) ₹1830 (c) ₹330 (d) ₹1995
27. 27.₹7500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹7800 (c) ₹9300 (d) ₹9000
28. 28.₹5000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹5750 (b) ₹750 (c) ₹5150 (d) ₹5900
29. 29.What is the simple interest on ₹8500 at 2% per year for 4 years? (a) ₹9180 (b) ₹170 (c) ₹850 (d) ₹680
30. 30.In how many years will ₹7500 earn ₹1200 simple interest at 8% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
31. 31.The simple interest on ₹3500 for 4 years is ₹700. What is the rate per year? (a) 4% (b) 5% (c) 20% (d) 6%
32. 32.₹5000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹700 (b) ₹5350 (c) ₹5700 (d) ₹6050
33. 33.₹5000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹500 (b) ₹5500 (c) ₹5100 (d) ₹5600
34. 34.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3090 (b) ₹3270 (c) ₹180 (d) ₹3180
35. 35.What is the simple interest on ₹5000 at 8% per year for 2 years? (a) ₹1200 (b) ₹400 (c) ₹5800 (d) ₹800
36. 36.₹4000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹4400 (b) ₹4200 (c) ₹400 (d) ₹4600
37. 37.What is the simple interest on ₹1500 at 4% per year for 3 years? (a) ₹180 (b) ₹60 (c) ₹1680 (d) ₹240
38. 38.The simple interest on ₹10000 for 2 years is ₹2000. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 20%
39. 39.The simple interest on ₹10000 for 2 years is ₹1800. What is the rate per year? (a) 8% (b) 18% (c) 10% (d) 9%
40. 40.₹7000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹10850 (b) ₹10080 (c) ₹7770 (d) ₹3080

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