Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 659 · 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.In how many years will ₹10000 earn ₹2400 simple interest at 6% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
2. 2.₹3500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1225 (b) ₹4725 (c) ₹4970 (d) ₹3745
3. 3.In how many years will ₹2000 earn ₹480 simple interest at 8% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
4. 4.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹1425 (b) ₹1140 (c) ₹10640 (d) ₹285
5. 5.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹525 (b) ₹175 (c) ₹350 (d) ₹3850
6. 6.In how many years will ₹3000 earn ₹960 simple interest at 8% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
7. 7.₹4500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹4590 (b) ₹4860 (c) ₹4950 (d) ₹360
8. 8.The simple interest on ₹4000 for 4 years is ₹640. What is the rate per year? (a) 16% (b) 3% (c) 5% (d) 4%
9. 9.What is the simple interest on ₹9000 at 8% per year for 5 years? (a) ₹4320 (b) ₹12600 (c) ₹3600 (d) ₹720
10. 10.What is the simple interest on ₹7500 at 7% per year for 5 years? (a) ₹3150 (b) ₹525 (c) ₹10125 (d) ₹2625
11. 11.₹8000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹960 (b) ₹8960 (c) ₹8480 (d) ₹9440
12. 12.In how many years will ₹3500 earn ₹1225 simple interest at 7% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
13. 13.₹9000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹11520 (b) ₹1890 (c) ₹9630 (d) ₹10890
14. 14.What is the simple interest on ₹8000 at 9% per year for 2 years? (a) ₹9440 (b) ₹720 (c) ₹2160 (d) ₹1440
15. 15.₹7000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹280 (b) ₹7280 (c) ₹7140 (d) ₹7420
16. 16.The simple interest on ₹1500 for 3 years is ₹315. What is the rate per year? (a) 8% (b) 7% (c) 21% (d) 6%
17. 17.₹10000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹16000 (b) ₹14800 (c) ₹4800 (d) ₹11200
18. 18.What is the simple interest on ₹8500 at 6% per year for 5 years? (a) ₹11050 (b) ₹3060 (c) ₹2550 (d) ₹510
19. 19.What is the simple interest on ₹3000 at 3% per year for 2 years? (a) ₹3180 (b) ₹270 (c) ₹90 (d) ₹180
20. 20.In how many years will ₹5500 earn ₹550 simple interest at 2% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
21. 21.What is the simple interest on ₹9000 at 11% per year for 4 years? (a) ₹12960 (b) ₹4950 (c) ₹990 (d) ₹3960
22. 22.₹6000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹7500 (b) ₹7200 (c) ₹1200 (d) ₹6300
23. 23.In how many years will ₹6500 earn ₹975 simple interest at 5% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
24. 24.₹9000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹5400 (b) ₹14400 (c) ₹10080 (d) ₹15480
25. 25.In how many years will ₹9000 earn ₹1080 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
26. 26.In how many years will ₹2000 earn ₹180 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
27. 27.The simple interest on ₹6000 for 2 years is ₹1440. What is the rate per year? (a) 24% (b) 11% (c) 13% (d) 12%
28. 28.What is the simple interest on ₹10000 at 9% per year for 3 years? (a) ₹12700 (b) ₹3600 (c) ₹2700 (d) ₹900
29. 29.What is the simple interest on ₹2500 at 4% per year for 3 years? (a) ₹2800 (b) ₹300 (c) ₹400 (d) ₹100
30. 30.₹4500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹6120 (b) ₹1215 (c) ₹5715 (d) ₹4905
31. 31.What is the simple interest on ₹4500 at 12% per year for 5 years? (a) ₹7200 (b) ₹3240 (c) ₹2700 (d) ₹540
32. 32.₹9500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10355 (b) ₹3420 (c) ₹13775 (d) ₹12920
33. 33.What is the simple interest on ₹9000 at 12% per year for 3 years? (a) ₹12240 (b) ₹1080 (c) ₹3240 (d) ₹4320
34. 34.The simple interest on ₹9000 for 4 years is ₹4320. What is the rate per year? (a) 11% (b) 13% (c) 48% (d) 12%
35. 35.The simple interest on ₹10000 for 3 years is ₹1800. What is the rate per year? (a) 6% (b) 18% (c) 5% (d) 7%
36. 36.What is the simple interest on ₹8000 at 8% per year for 3 years? (a) ₹9920 (b) ₹640 (c) ₹1920 (d) ₹2560
37. 37.What is the simple interest on ₹6000 at 7% per year for 2 years? (a) ₹1260 (b) ₹840 (c) ₹420 (d) ₹6840
38. 38.What is the simple interest on ₹2000 at 12% per year for 4 years? (a) ₹1200 (b) ₹240 (c) ₹2960 (d) ₹960
39. 39.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹400 (b) ₹600 (c) ₹200 (d) ₹4400
40. 40.₹8500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹12325 (b) ₹11560 (c) ₹9265 (d) ₹3060

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