Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 729 · 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 ₹7500 for 4 years is ₹2700. What is the rate per year? (a) 8% (b) 9% (c) 36% (d) 10%
2. 2.What is the simple interest on ₹2000 at 5% per year for 5 years? (a) ₹100 (b) ₹500 (c) ₹2500 (d) ₹600
3. 3.What is the simple interest on ₹2000 at 11% per year for 4 years? (a) ₹880 (b) ₹220 (c) ₹1100 (d) ₹2880
4. 4.What is the simple interest on ₹9500 at 5% per year for 4 years? (a) ₹475 (b) ₹1900 (c) ₹11400 (d) ₹2375
5. 5.₹8500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹9520 (b) ₹2040 (c) ₹11560 (d) ₹10540
6. 6.What is the simple interest on ₹1000 at 10% per year for 4 years? (a) ₹1400 (b) ₹400 (c) ₹100 (d) ₹500
7. 7.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹70 (b) ₹140 (c) ₹210 (d) ₹3640
8. 8.What is the simple interest on ₹2000 at 5% per year for 3 years? (a) ₹100 (b) ₹300 (c) ₹400 (d) ₹2300
9. 9.What is the simple interest on ₹7500 at 7% per year for 2 years? (a) ₹525 (b) ₹8550 (c) ₹1575 (d) ₹1050
10. 10.What is the simple interest on ₹8000 at 11% per year for 2 years? (a) ₹1760 (b) ₹880 (c) ₹2640 (d) ₹9760
11. 11.In how many years will ₹2000 earn ₹700 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
12. 12.What is the simple interest on ₹3500 at 11% per year for 4 years? (a) ₹385 (b) ₹5040 (c) ₹1540 (d) ₹1925
13. 13.The simple interest on ₹9000 for 3 years is ₹810. What is the rate per year? (a) 3% (b) 9% (c) 2% (d) 4%
14. 14.₹6000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹6300 (b) ₹7200 (c) ₹7500 (d) ₹1200
15. 15.What is the simple interest on ₹8000 at 7% per year for 4 years? (a) ₹560 (b) ₹10240 (c) ₹2800 (d) ₹2240
16. 16.₹4000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹6200 (b) ₹1760 (c) ₹5760 (d) ₹4440
17. 17.The simple interest on ₹1000 for 2 years is ₹240. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 24%
18. 18.What is the simple interest on ₹4500 at 8% per year for 2 years? (a) ₹360 (b) ₹1080 (c) ₹5220 (d) ₹720
19. 19.₹1000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹1550 (b) ₹440 (c) ₹1440 (d) ₹1110
20. 20.What is the simple interest on ₹2500 at 12% per year for 3 years? (a) ₹900 (b) ₹300 (c) ₹1200 (d) ₹3400
21. 21.In how many years will ₹4500 earn ₹1080 simple interest at 6% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
22. 22.In how many years will ₹6500 earn ₹390 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
23. 23.What is the simple interest on ₹10000 at 8% per year for 2 years? (a) ₹11600 (b) ₹800 (c) ₹2400 (d) ₹1600
24. 24.In how many years will ₹5000 earn ₹600 simple interest at 6% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
25. 25.In how many years will ₹10000 earn ₹1200 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
26. 26.In how many years will ₹2000 earn ₹120 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
27. 27.What is the simple interest on ₹4000 at 2% per year for 2 years? (a) ₹4160 (b) ₹80 (c) ₹240 (d) ₹160
28. 28.In how many years will ₹9500 earn ₹950 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
29. 29.₹5000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1500 (b) ₹5500 (c) ₹7000 (d) ₹6500
30. 30.₹2500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2625 (b) ₹3125 (c) ₹3250 (d) ₹625
31. 31.₹6000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹8880 (b) ₹8400 (c) ₹6480 (d) ₹2400
32. 32.₹2000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2160 (b) ₹160 (c) ₹2080 (d) ₹2240
33. 33.What is the simple interest on ₹3500 at 7% per year for 5 years? (a) ₹4725 (b) ₹245 (c) ₹1470 (d) ₹1225
34. 34.What is the simple interest on ₹1000 at 3% per year for 3 years? (a) ₹120 (b) ₹90 (c) ₹1090 (d) ₹30
35. 35.In how many years will ₹5500 earn ₹330 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
36. 36.₹7000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹10500 (b) ₹2800 (c) ₹7700 (d) ₹9800
37. 37.₹2500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹4000 (c) ₹4300 (d) ₹2800
38. 38.₹8500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1020 (b) ₹9010 (c) ₹9520 (d) ₹10030
39. 39.What is the simple interest on ₹10000 at 2% per year for 5 years? (a) ₹1000 (b) ₹200 (c) ₹1200 (d) ₹11000
40. 40.What is the simple interest on ₹6500 at 12% per year for 3 years? (a) ₹2340 (b) ₹3120 (c) ₹8840 (d) ₹780

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