Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 575 · 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 5% per year simple interest. What is the amount after 4 years? (a) ₹9600 (b) ₹10000 (c) ₹1600 (d) ₹8400
2. 2.₹5500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹660 (b) ₹5665 (c) ₹6160 (d) ₹6325
3. 3.What is the simple interest on ₹9000 at 11% per year for 2 years? (a) ₹990 (b) ₹1980 (c) ₹2970 (d) ₹10980
4. 4.The simple interest on ₹10000 for 5 years is ₹1000. What is the rate per year? (a) 2% (b) 3% (c) 10% (d) 1%
5. 5.What is the simple interest on ₹9500 at 3% per year for 3 years? (a) ₹285 (b) ₹1140 (c) ₹855 (d) ₹10355
6. 6.The simple interest on ₹4500 for 5 years is ₹2475. What is the rate per year? (a) 12% (b) 11% (c) 55% (d) 10%
7. 7.₹1000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1160 (b) ₹1040 (c) ₹1120 (d) ₹120
8. 8.The simple interest on ₹6000 for 3 years is ₹900. What is the rate per year? (a) 15% (b) 4% (c) 6% (d) 5%
9. 9.In how many years will ₹2000 earn ₹880 simple interest at 11% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
10. 10.What is the simple interest on ₹7500 at 4% per year for 2 years? (a) ₹8100 (b) ₹900 (c) ₹600 (d) ₹300
11. 11.₹8000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹9920 (b) ₹8480 (c) ₹9440 (d) ₹1440
12. 12.What is the simple interest on ₹3000 at 5% per year for 4 years? (a) ₹3600 (b) ₹600 (c) ₹150 (d) ₹750
13. 13.In how many years will ₹6500 earn ₹1950 simple interest at 10% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
14. 14.What is the simple interest on ₹4500 at 9% per year for 2 years? (a) ₹1215 (b) ₹5310 (c) ₹810 (d) ₹405
15. 15.The simple interest on ₹6000 for 3 years is ₹1260. What is the rate per year? (a) 6% (b) 8% (c) 21% (d) 7%
16. 16.What is the simple interest on ₹1000 at 4% per year for 5 years? (a) ₹1200 (b) ₹240 (c) ₹40 (d) ₹200
17. 17.In how many years will ₹5000 earn ₹1250 simple interest at 5% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
18. 18.What is the simple interest on ₹1500 at 5% per year for 2 years? (a) ₹150 (b) ₹225 (c) ₹1650 (d) ₹75
19. 19.₹7500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹8100 (b) ₹9300 (c) ₹1200 (d) ₹8700
20. 20.The simple interest on ₹4000 for 5 years is ₹2400. What is the rate per year? (a) 12% (b) 11% (c) 13% (d) 60%
21. 21.The simple interest on ₹9000 for 5 years is ₹4950. What is the rate per year? (a) 12% (b) 11% (c) 55% (d) 10%
22. 22.₹10000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1600 (b) ₹10800 (c) ₹11600 (d) ₹12400
23. 23.₹2500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2650 (b) ₹300 (c) ₹2950 (d) ₹2800
24. 24.₹5500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹5830 (b) ₹5610 (c) ₹5720 (d) ₹220
25. 25.What is the simple interest on ₹4000 at 11% per year for 4 years? (a) ₹440 (b) ₹1760 (c) ₹5760 (d) ₹2200
26. 26.₹10000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹800 (b) ₹10800 (c) ₹11200 (d) ₹10400
27. 27.The simple interest on ₹6500 for 2 years is ₹390. What is the rate per year? (a) 3% (b) 6% (c) 4% (d) 2%
28. 28.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹8750 (b) ₹350 (c) ₹2100 (d) ₹1750
29. 29.What is the simple interest on ₹4000 at 10% per year for 3 years? (a) ₹1200 (b) ₹5200 (c) ₹1600 (d) ₹400
30. 30.What is the simple interest on ₹1500 at 11% per year for 5 years? (a) ₹2325 (b) ₹990 (c) ₹825 (d) ₹165
31. 31.₹9000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹15480 (b) ₹10080 (c) ₹14400 (d) ₹5400
32. 32.The simple interest on ₹5000 for 3 years is ₹1650. What is the rate per year? (a) 33% (b) 12% (c) 11% (d) 10%
33. 33.What is the simple interest on ₹6500 at 10% per year for 3 years? (a) ₹8450 (b) ₹650 (c) ₹1950 (d) ₹2600
34. 34.What is the simple interest on ₹2500 at 10% per year for 4 years? (a) ₹1250 (b) ₹1000 (c) ₹3500 (d) ₹250
35. 35.What is the simple interest on ₹1000 at 5% per year for 5 years? (a) ₹1250 (b) ₹250 (c) ₹50 (d) ₹300
36. 36.In how many years will ₹7500 earn ₹600 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
37. 37.What is the simple interest on ₹3500 at 4% per year for 3 years? (a) ₹560 (b) ₹3920 (c) ₹420 (d) ₹140
38. 38.₹9000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2970 (b) ₹12960 (c) ₹11970 (d) ₹9990
39. 39.What is the simple interest on ₹9000 at 12% per year for 5 years? (a) ₹14400 (b) ₹5400 (c) ₹1080 (d) ₹6480
40. 40.₹6000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹6540 (b) ₹360 (c) ₹6180 (d) ₹6360

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