Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 391 · 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 ₹10000 at 7% per year for 2 years? (a) ₹2100 (b) ₹700 (c) ₹1400 (d) ₹11400
2. 2.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3710 (b) ₹3570 (c) ₹140 (d) ₹3640
3. 3.₹2000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹2160 (b) ₹640 (c) ₹2800 (d) ₹2640
4. 4.₹8500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹11560 (b) ₹9520 (c) ₹2040 (d) ₹10540
5. 5.What is the simple interest on ₹3500 at 4% per year for 3 years? (a) ₹560 (b) ₹420 (c) ₹140 (d) ₹3920
6. 6.₹9000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹9900 (b) ₹720 (c) ₹9180 (d) ₹9720
7. 7.₹10000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹10800 (b) ₹13200 (c) ₹12400 (d) ₹2400
8. 8.What is the simple interest on ₹4000 at 10% per year for 2 years? (a) ₹800 (b) ₹400 (c) ₹1200 (d) ₹4800
9. 9.₹1500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2025 (b) ₹1605 (c) ₹1920 (d) ₹420
10. 10.The simple interest on ₹4000 for 2 years is ₹480. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 12%
11. 11.The simple interest on ₹5000 for 2 years is ₹200. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 4%
12. 12.In how many years will ₹2000 earn ₹800 simple interest at 8% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
13. 13.In how many years will ₹3000 earn ₹720 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
14. 14.₹9500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹10450 (b) ₹15200 (c) ₹14250 (d) ₹4750
15. 15.₹4500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹900 (b) ₹4950 (c) ₹5400 (d) ₹5850
16. 16.The simple interest on ₹8500 for 4 years is ₹4080. What is the rate per year? (a) 11% (b) 13% (c) 48% (d) 12%
17. 17.In how many years will ₹1500 earn ₹120 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
18. 18.The simple interest on ₹5500 for 3 years is ₹1815. What is the rate per year? (a) 33% (b) 11% (c) 10% (d) 12%
19. 19.In how many years will ₹9000 earn ₹900 simple interest at 5% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
20. 20.The simple interest on ₹10000 for 4 years is ₹2400. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 24%
21. 21.The simple interest on ₹7500 for 3 years is ₹2250. What is the rate per year? (a) 10% (b) 30% (c) 11% (d) 9%
22. 22.₹2000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹120 (b) ₹2120 (c) ₹2060 (d) ₹2180
23. 23.₹8000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2800 (b) ₹11360 (c) ₹8560 (d) ₹10800
24. 24.The simple interest on ₹10000 for 4 years is ₹1200. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 12%
25. 25.What is the simple interest on ₹1000 at 11% per year for 5 years? (a) ₹110 (b) ₹550 (c) ₹660 (d) ₹1550
26. 26.What is the simple interest on ₹2000 at 11% per year for 2 years? (a) ₹660 (b) ₹220 (c) ₹2440 (d) ₹440
27. 27.What is the simple interest on ₹4500 at 8% per year for 4 years? (a) ₹5940 (b) ₹360 (c) ₹1800 (d) ₹1440
28. 28.₹7000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹8400 (b) ₹7700 (c) ₹9100 (d) ₹1400
29. 29.In how many years will ₹4000 earn ₹1600 simple interest at 8% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
30. 30.The simple interest on ₹2500 for 3 years is ₹375. What is the rate per year? (a) 15% (b) 6% (c) 4% (d) 5%
31. 31.The simple interest on ₹1500 for 5 years is ₹300. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 20%
32. 32.₹3000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹840 (b) ₹4050 (c) ₹3840 (d) ₹3210
33. 33.What is the simple interest on ₹1500 at 12% per year for 5 years? (a) ₹180 (b) ₹1080 (c) ₹900 (d) ₹2400
34. 34.What is the simple interest on ₹6500 at 12% per year for 5 years? (a) ₹780 (b) ₹4680 (c) ₹10400 (d) ₹3900
35. 35.What is the simple interest on ₹9000 at 11% per year for 5 years? (a) ₹990 (b) ₹4950 (c) ₹5940 (d) ₹13950
36. 36.The simple interest on ₹8500 for 3 years is ₹1020. What is the rate per year? (a) 3% (b) 4% (c) 12% (d) 5%
37. 37.₹5500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹990 (b) ₹5995 (c) ₹6490 (d) ₹6985
38. 38.In how many years will ₹7000 earn ₹1400 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
39. 39.In how many years will ₹8000 earn ₹4800 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
40. 40.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹3240 (b) ₹120 (c) ₹240 (d) ₹360

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