Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 505 · 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.₹6500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹7540 (b) ₹7280 (c) ₹6760 (d) ₹780
2. 2.In how many years will ₹4000 earn ₹400 simple interest at 2% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
3. 3.What is the simple interest on ₹5000 at 7% per year for 2 years? (a) ₹5700 (b) ₹350 (c) ₹1050 (d) ₹700
4. 4.The simple interest on ₹7000 for 4 years is ₹2520. What is the rate per year? (a) 36% (b) 8% (c) 9% (d) 10%
5. 5.₹7000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹7840 (b) ₹840 (c) ₹7280 (d) ₹8120
6. 6.₹5500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹6600 (b) ₹6325 (c) ₹825 (d) ₹5775
7. 7.In how many years will ₹6500 earn ₹1560 simple interest at 6% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
8. 8.₹2500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹600 (b) ₹2800 (c) ₹3100 (d) ₹3400
9. 9.₹7500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹8250 (b) ₹10500 (c) ₹3000 (d) ₹11250
10. 10.The simple interest on ₹6500 for 3 years is ₹1170. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 18%
11. 11.₹1500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹450 (b) ₹2040 (c) ₹1950 (d) ₹1590
12. 12.The simple interest on ₹9000 for 4 years is ₹3240. What is the rate per year? (a) 9% (b) 36% (c) 8% (d) 10%
13. 13.What is the simple interest on ₹7500 at 11% per year for 3 years? (a) ₹825 (b) ₹9975 (c) ₹2475 (d) ₹3300
14. 14.₹9000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹11700 (b) ₹2160 (c) ₹11160 (d) ₹9540
15. 15.The simple interest on ₹5500 for 4 years is ₹1760. What is the rate per year? (a) 7% (b) 32% (c) 9% (d) 8%
16. 16.₹7000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1050 (b) ₹7210 (c) ₹8050 (d) ₹8260
17. 17.What is the simple interest on ₹5500 at 9% per year for 3 years? (a) ₹6985 (b) ₹495 (c) ₹1980 (d) ₹1485
18. 18.₹8000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2880 (b) ₹8960 (c) ₹10880 (d) ₹11840
19. 19.What is the simple interest on ₹2500 at 10% per year for 5 years? (a) ₹1250 (b) ₹1500 (c) ₹3750 (d) ₹250
20. 20.The simple interest on ₹7000 for 4 years is ₹1120. What is the rate per year? (a) 16% (b) 4% (c) 3% (d) 5%
21. 21.What is the simple interest on ₹7500 at 2% per year for 2 years? (a) ₹7800 (b) ₹150 (c) ₹450 (d) ₹300
22. 22.In how many years will ₹10000 earn ₹2500 simple interest at 5% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
23. 23.The simple interest on ₹4000 for 3 years is ₹720. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 18%
24. 24.What is the simple interest on ₹1000 at 11% per year for 5 years? (a) ₹110 (b) ₹1550 (c) ₹660 (d) ₹550
25. 25.The simple interest on ₹3000 for 3 years is ₹990. What is the rate per year? (a) 33% (b) 12% (c) 11% (d) 10%
26. 26.₹10000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10900 (b) ₹3600 (c) ₹13600 (d) ₹14500
27. 27.₹3500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4900 (b) ₹1400 (c) ₹3780 (d) ₹5180
28. 28.₹2500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2950 (b) ₹300 (c) ₹2800 (d) ₹2650
29. 29.What is the simple interest on ₹7000 at 10% per year for 3 years? (a) ₹2100 (b) ₹700 (c) ₹9100 (d) ₹2800
30. 30.In how many years will ₹8000 earn ₹800 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
31. 31.What is the simple interest on ₹9000 at 11% per year for 2 years? (a) ₹990 (b) ₹2970 (c) ₹10980 (d) ₹1980
32. 32.₹9000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1890 (b) ₹9630 (c) ₹10890 (d) ₹11520
33. 33.In how many years will ₹1000 earn ₹80 simple interest at 2% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
34. 34.What is the simple interest on ₹5500 at 8% per year for 2 years? (a) ₹6380 (b) ₹880 (c) ₹440 (d) ₹1320
35. 35.What is the simple interest on ₹3000 at 8% per year for 5 years? (a) ₹1440 (b) ₹4200 (c) ₹240 (d) ₹1200
36. 36.The simple interest on ₹5000 for 5 years is ₹3000. What is the rate per year? (a) 60% (b) 11% (c) 12% (d) 13%
37. 37.₹9000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹10080 (b) ₹1080 (c) ₹9360 (d) ₹10440
38. 38.The simple interest on ₹10000 for 5 years is ₹6000. What is the rate per year? (a) 13% (b) 11% (c) 60% (d) 12%
39. 39.What is the simple interest on ₹3000 at 6% per year for 2 years? (a) ₹360 (b) ₹540 (c) ₹180 (d) ₹3360
40. 40.In how many years will ₹8000 earn ₹1600 simple interest at 4% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad