Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 355 · 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.What is the simple interest on ₹1500 at 8% per year for 5 years? (a) ₹720 (b) ₹2100 (c) ₹120 (d) ₹600
2. 2.The simple interest on ₹9000 for 3 years is ₹1620. What is the rate per year? (a) 7% (b) 18% (c) 5% (d) 6%
3. 3.₹7000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹9520 (b) ₹1680 (c) ₹8680 (d) ₹7840
4. 4.What is the simple interest on ₹10000 at 4% per year for 5 years? (a) ₹12000 (b) ₹400 (c) ₹2400 (d) ₹2000
5. 5.In how many years will ₹7500 earn ₹750 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
6. 6.The simple interest on ₹1000 for 4 years is ₹400. What is the rate per year? (a) 40% (b) 11% (c) 9% (d) 10%
7. 7.What is the simple interest on ₹7000 at 11% per year for 5 years? (a) ₹10850 (b) ₹4620 (c) ₹3850 (d) ₹770
8. 8.₹7500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹12450 (b) ₹4125 (c) ₹11625 (d) ₹8325
9. 9.In how many years will ₹4500 earn ₹1215 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
10. 10.In how many years will ₹6000 earn ₹1260 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
11. 11.What is the simple interest on ₹4000 at 7% per year for 3 years? (a) ₹4840 (b) ₹1120 (c) ₹840 (d) ₹280
12. 12.What is the simple interest on ₹1500 at 11% per year for 5 years? (a) ₹165 (b) ₹2325 (c) ₹825 (d) ₹990
13. 13.₹7500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1125 (b) ₹8850 (c) ₹8625 (d) ₹7725
14. 14.What is the simple interest on ₹8000 at 5% per year for 5 years? (a) ₹2000 (b) ₹400 (c) ₹10000 (d) ₹2400
15. 15.In how many years will ₹5500 earn ₹330 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
16. 16.What is the simple interest on ₹4500 at 6% per year for 5 years? (a) ₹270 (b) ₹1620 (c) ₹1350 (d) ₹5850
17. 17.The simple interest on ₹6500 for 3 years is ₹585. What is the rate per year? (a) 4% (b) 3% (c) 9% (d) 2%
18. 18.₹2500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1250 (b) ₹4000 (c) ₹3750 (d) ₹2750
19. 19.₹6500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹6890 (b) ₹390 (c) ₹7020 (d) ₹6630
20. 20.What is the simple interest on ₹8500 at 3% per year for 5 years? (a) ₹255 (b) ₹9775 (c) ₹1275 (d) ₹1530
21. 21.What is the simple interest on ₹1000 at 2% per year for 4 years? (a) ₹1080 (b) ₹80 (c) ₹100 (d) ₹20
22. 22.₹2500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹750 (b) ₹3250 (c) ₹2650 (d) ₹3400
23. 23.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹570 (b) ₹10070 (c) ₹9785 (d) ₹10355
24. 24.In how many years will ₹2000 earn ₹480 simple interest at 6% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
25. 25.The simple interest on ₹5500 for 2 years is ₹880. What is the rate per year? (a) 7% (b) 16% (c) 8% (d) 9%
26. 26.₹5000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹5150 (b) ₹600 (c) ₹5750 (d) ₹5600
27. 27.The simple interest on ₹7000 for 2 years is ₹1680. What is the rate per year? (a) 11% (b) 24% (c) 12% (d) 13%
28. 28.In how many years will ₹9500 earn ₹3420 simple interest at 12% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
29. 29.In how many years will ₹8500 earn ₹2295 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
30. 30.In how many years will ₹3000 earn ₹1800 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
31. 31.The simple interest on ₹4500 for 3 years is ₹675. What is the rate per year? (a) 4% (b) 6% (c) 15% (d) 5%
32. 32.₹4500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹4770 (b) ₹810 (c) ₹5310 (d) ₹5580
33. 33.The simple interest on ₹6000 for 3 years is ₹1080. What is the rate per year? (a) 7% (b) 18% (c) 6% (d) 5%
34. 34.In how many years will ₹5000 earn ₹600 simple interest at 6% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
35. 35.The simple interest on ₹6500 for 5 years is ₹3900. What is the rate per year? (a) 60% (b) 12% (c) 11% (d) 13%
36. 36.What is the simple interest on ₹1500 at 2% per year for 5 years? (a) ₹180 (b) ₹1650 (c) ₹30 (d) ₹150
37. 37.What is the simple interest on ₹1500 at 12% per year for 3 years? (a) ₹540 (b) ₹180 (c) ₹2040 (d) ₹720
38. 38.In how many years will ₹6500 earn ₹2340 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
39. 39.What is the simple interest on ₹3000 at 5% per year for 4 years? (a) ₹150 (b) ₹750 (c) ₹3600 (d) ₹600
40. 40.In how many years will ₹5000 earn ₹400 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years

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