Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 148 · 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 ₹2850. What is the rate per year? (a) 30% (b) 7% (c) 6% (d) 5%
2. 2.What is the simple interest on ₹10000 at 8% per year for 3 years? (a) ₹3200 (b) ₹2400 (c) ₹800 (d) ₹12400
3. 3.In how many years will ₹1000 earn ₹550 simple interest at 11% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
4. 4.In how many years will ₹7000 earn ₹3850 simple interest at 11% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
5. 5.In how many years will ₹2500 earn ₹200 simple interest at 2% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
6. 6.The simple interest on ₹2000 for 3 years is ₹720. What is the rate per year? (a) 12% (b) 36% (c) 11% (d) 13%
7. 7.₹7500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹9975 (b) ₹1650 (c) ₹9150 (d) ₹8325
8. 8.What is the simple interest on ₹8500 at 12% per year for 2 years? (a) ₹1020 (b) ₹2040 (c) ₹3060 (d) ₹10540
9. 9.The simple interest on ₹1500 for 3 years is ₹135. What is the rate per year? (a) 4% (b) 2% (c) 9% (d) 3%
10. 10.In how many years will ₹6000 earn ₹360 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
11. 11.The simple interest on ₹5500 for 5 years is ₹1375. What is the rate per year? (a) 4% (b) 25% (c) 6% (d) 5%
12. 12.In how many years will ₹5500 earn ₹550 simple interest at 5% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
13. 13.The simple interest on ₹3000 for 2 years is ₹480. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 16%
14. 14.What is the simple interest on ₹9500 at 8% per year for 5 years? (a) ₹4560 (b) ₹760 (c) ₹3800 (d) ₹13300
15. 15.The simple interest on ₹3000 for 5 years is ₹1800. What is the rate per year? (a) 13% (b) 11% (c) 60% (d) 12%
16. 16.In how many years will ₹1000 earn ₹90 simple interest at 3% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
17. 17.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹360 (b) ₹120 (c) ₹4240 (d) ₹240
18. 18.In how many years will ₹7000 earn ₹3080 simple interest at 11% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
19. 19.₹9000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹360 (b) ₹9540 (c) ₹9180 (d) ₹9360
20. 20.₹4000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2200 (b) ₹4440 (c) ₹6640 (d) ₹6200
21. 21.What is the simple interest on ₹4000 at 10% per year for 5 years? (a) ₹6000 (b) ₹2000 (c) ₹2400 (d) ₹400
22. 22.What is the simple interest on ₹8000 at 3% per year for 3 years? (a) ₹240 (b) ₹720 (c) ₹960 (d) ₹8720
23. 23.₹7500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1125 (b) ₹8850 (c) ₹8625 (d) ₹7725
24. 24.₹4000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹5320 (b) ₹880 (c) ₹4440 (d) ₹4880
25. 25.₹9500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹12920 (b) ₹2850 (c) ₹10070 (d) ₹12350
26. 26.₹7000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹630 (b) ₹7210 (c) ₹7630 (d) ₹7840
27. 27.₹5000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹6000 (b) ₹6500 (c) ₹1000 (d) ₹5500
28. 28.What is the simple interest on ₹5500 at 4% per year for 2 years? (a) ₹440 (b) ₹5940 (c) ₹220 (d) ₹660
29. 29.₹10000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹10400 (b) ₹1200 (c) ₹11200 (d) ₹11600
30. 30.In how many years will ₹1000 earn ₹150 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
31. 31.The simple interest on ₹8500 for 5 years is ₹2550. What is the rate per year? (a) 30% (b) 5% (c) 7% (d) 6%
32. 32.The simple interest on ₹9000 for 5 years is ₹4500. What is the rate per year? (a) 9% (b) 10% (c) 50% (d) 11%
33. 33.What is the simple interest on ₹8500 at 2% per year for 3 years? (a) ₹680 (b) ₹9010 (c) ₹510 (d) ₹170
34. 34.The simple interest on ₹6500 for 2 years is ₹1560. What is the rate per year? (a) 11% (b) 13% (c) 24% (d) 12%
35. 35.₹2000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹300 (b) ₹2060 (c) ₹2360 (d) ₹2300
36. 36.In how many years will ₹2500 earn ₹500 simple interest at 5% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
37. 37.₹9500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1710 (b) ₹11210 (c) ₹11780 (d) ₹10070
38. 38.The simple interest on ₹2500 for 5 years is ₹750. What is the rate per year? (a) 7% (b) 5% (c) 30% (d) 6%
39. 39.₹3500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹4130 (b) ₹4025 (c) ₹525 (d) ₹3605
40. 40.What is the simple interest on ₹4500 at 7% per year for 5 years? (a) ₹1575 (b) ₹6075 (c) ₹1890 (d) ₹315

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