Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 209 · 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 ₹5500 at 11% per year for 5 years? (a) ₹3025 (b) ₹8525 (c) ₹605 (d) ₹3630
2. 2.What is the simple interest on ₹10000 at 7% per year for 5 years? (a) ₹4200 (b) ₹700 (c) ₹3500 (d) ₹13500
3. 3.In how many years will ₹8500 earn ₹2295 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
4. 4.₹7500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹11100 (b) ₹8400 (c) ₹12000 (d) ₹3600
5. 5.What is the simple interest on ₹9500 at 4% per year for 3 years? (a) ₹1140 (b) ₹380 (c) ₹1520 (d) ₹10640
6. 6.The simple interest on ₹5500 for 5 years is ₹1925. What is the rate per year? (a) 7% (b) 35% (c) 8% (d) 6%
7. 7.What is the simple interest on ₹3500 at 10% per year for 2 years? (a) ₹4200 (b) ₹350 (c) ₹1050 (d) ₹700
8. 8.The simple interest on ₹1000 for 2 years is ₹180. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 18%
9. 9.What is the simple interest on ₹8000 at 12% per year for 3 years? (a) ₹960 (b) ₹2880 (c) ₹10880 (d) ₹3840
10. 10.In how many years will ₹3500 earn ₹700 simple interest at 4% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
11. 11.What is the simple interest on ₹3500 at 5% per year for 4 years? (a) ₹875 (b) ₹4200 (c) ₹175 (d) ₹700
12. 12.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹140 (b) ₹3570 (c) ₹3640 (d) ₹3710
13. 13.₹8000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹8880 (b) ₹11520 (c) ₹3520 (d) ₹12400
14. 14.In how many years will ₹6000 earn ₹720 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
15. 15.₹4500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹405 (b) ₹4905 (c) ₹5040 (d) ₹4635
16. 16.What is the simple interest on ₹10000 at 7% per year for 2 years? (a) ₹2100 (b) ₹700 (c) ₹1400 (d) ₹11400
17. 17.What is the simple interest on ₹3500 at 2% per year for 3 years? (a) ₹70 (b) ₹3710 (c) ₹280 (d) ₹210
18. 18.₹4500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2475 (b) ₹4995 (c) ₹6975 (d) ₹7470
19. 19.In how many years will ₹4500 earn ₹675 simple interest at 5% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
20. 20.In how many years will ₹3000 earn ₹540 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
21. 21.The simple interest on ₹6500 for 5 years is ₹975. What is the rate per year? (a) 2% (b) 15% (c) 3% (d) 4%
22. 22.In how many years will ₹9500 earn ₹4750 simple interest at 10% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
23. 23.What is the simple interest on ₹4500 at 6% per year for 2 years? (a) ₹540 (b) ₹5040 (c) ₹810 (d) ₹270
24. 24.What is the simple interest on ₹6000 at 7% per year for 2 years? (a) ₹840 (b) ₹420 (c) ₹6840 (d) ₹1260
25. 25.The simple interest on ₹7000 for 4 years is ₹1120. What is the rate per year? (a) 3% (b) 5% (c) 16% (d) 4%
26. 26.The simple interest on ₹1500 for 4 years is ₹540. What is the rate per year? (a) 9% (b) 8% (c) 10% (d) 36%
27. 27.₹1000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1320 (b) ₹240 (c) ₹1080 (d) ₹1240
28. 28.The simple interest on ₹4000 for 4 years is ₹1280. What is the rate per year? (a) 8% (b) 32% (c) 7% (d) 9%
29. 29.In how many years will ₹8500 earn ₹1870 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
30. 30.In how many years will ₹2000 earn ₹240 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
31. 31.In how many years will ₹9000 earn ₹2700 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
32. 32.₹3500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹4760 (b) ₹5180 (c) ₹1260 (d) ₹3920
33. 33.The simple interest on ₹2500 for 2 years is ₹500. What is the rate per year? (a) 10% (b) 11% (c) 20% (d) 9%
34. 34.What is the simple interest on ₹9000 at 8% per year for 2 years? (a) ₹2160 (b) ₹1440 (c) ₹720 (d) ₹10440
35. 35.What is the simple interest on ₹3000 at 3% per year for 5 years? (a) ₹450 (b) ₹3450 (c) ₹540 (d) ₹90
36. 36.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹150 (b) ₹2800 (c) ₹300 (d) ₹450
37. 37.In how many years will ₹8000 earn ₹1120 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
38. 38.In how many years will ₹3500 earn ₹630 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
39. 39.₹1500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1905 (b) ₹2040 (c) ₹405 (d) ₹1635
40. 40.What is the simple interest on ₹4500 at 5% per year for 5 years? (a) ₹1125 (b) ₹1350 (c) ₹225 (d) ₹5625

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