Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 733 · 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 ₹8500 at 10% per year for 4 years? (a) ₹4250 (b) ₹850 (c) ₹3400 (d) ₹11900
2. 2.The simple interest on ₹1500 for 2 years is ₹270. What is the rate per year? (a) 10% (b) 18% (c) 8% (d) 9%
3. 3.What is the simple interest on ₹3500 at 6% per year for 2 years? (a) ₹630 (b) ₹210 (c) ₹420 (d) ₹3920
4. 4.In how many years will ₹2500 earn ₹450 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
5. 5.₹3000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹3360 (b) ₹240 (c) ₹3120 (d) ₹3240
6. 6.The simple interest on ₹8000 for 3 years is ₹960. What is the rate per year? (a) 4% (b) 5% (c) 12% (d) 3%
7. 7.In how many years will ₹8500 earn ₹1020 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
8. 8.₹1500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹1635 (b) ₹90 (c) ₹1590 (d) ₹1545
9. 9.In how many years will ₹4500 earn ₹1215 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
10. 10.₹5000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹600 (b) ₹5150 (c) ₹5750 (d) ₹5600
11. 11.What is the simple interest on ₹3500 at 2% per year for 3 years? (a) ₹3710 (b) ₹280 (c) ₹210 (d) ₹70
12. 12.The simple interest on ₹1500 for 4 years is ₹720. What is the rate per year? (a) 48% (b) 11% (c) 12% (d) 13%
13. 13.What is the simple interest on ₹1000 at 5% per year for 3 years? (a) ₹150 (b) ₹50 (c) ₹200 (d) ₹1150
14. 14.What is the simple interest on ₹8500 at 11% per year for 5 years? (a) ₹13175 (b) ₹935 (c) ₹5610 (d) ₹4675
15. 15.₹1500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹1665 (b) ₹660 (c) ₹2325 (d) ₹2160
16. 16.₹5000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹7200 (b) ₹5550 (c) ₹2200 (d) ₹7750
17. 17.What is the simple interest on ₹3500 at 3% per year for 3 years? (a) ₹3815 (b) ₹105 (c) ₹315 (d) ₹420
18. 18.₹6500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹7020 (b) ₹7540 (c) ₹8060 (d) ₹1040
19. 19.₹3000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹4500 (b) ₹1200 (c) ₹4200 (d) ₹3300
20. 20.The simple interest on ₹7500 for 5 years is ₹1125. What is the rate per year? (a) 4% (b) 15% (c) 3% (d) 2%
21. 21.The simple interest on ₹2500 for 2 years is ₹100. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 1%
22. 22.In how many years will ₹3000 earn ₹300 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
23. 23.The simple interest on ₹4500 for 4 years is ₹540. What is the rate per year? (a) 3% (b) 12% (c) 4% (d) 2%
24. 24.₹7000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹8400 (b) ₹1400 (c) ₹7350 (d) ₹8750
25. 25.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹3150 (b) ₹3300 (c) ₹300 (d) ₹3450
26. 26.The simple interest on ₹4500 for 5 years is ₹1800. What is the rate per year? (a) 40% (b) 8% (c) 7% (d) 9%
27. 27.What is the simple interest on ₹9500 at 11% per year for 3 years? (a) ₹1045 (b) ₹12635 (c) ₹4180 (d) ₹3135
28. 28.The simple interest on ₹4500 for 4 years is ₹1080. What is the rate per year? (a) 24% (b) 6% (c) 5% (d) 7%
29. 29.The simple interest on ₹9000 for 2 years is ₹1440. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
30. 30.The simple interest on ₹2000 for 5 years is ₹900. What is the rate per year? (a) 45% (b) 8% (c) 10% (d) 9%
31. 31.₹8500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1785 (b) ₹10880 (c) ₹9095 (d) ₹10285
32. 32.₹2500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1375 (b) ₹2775 (c) ₹4150 (d) ₹3875
33. 33.What is the simple interest on ₹5500 at 10% per year for 5 years? (a) ₹550 (b) ₹3300 (c) ₹8250 (d) ₹2750
34. 34.What is the simple interest on ₹6000 at 9% per year for 2 years? (a) ₹1620 (b) ₹1080 (c) ₹540 (d) ₹7080
35. 35.₹1000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1140 (b) ₹140 (c) ₹1070 (d) ₹1210
36. 36.What is the simple interest on ₹2000 at 3% per year for 2 years? (a) ₹60 (b) ₹180 (c) ₹2120 (d) ₹120
37. 37.What is the simple interest on ₹7000 at 6% per year for 3 years? (a) ₹420 (b) ₹1260 (c) ₹1680 (d) ₹8260
38. 38.₹3000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹4320 (b) ₹3330 (c) ₹990 (d) ₹3990
39. 39.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹680 (b) ₹10540 (c) ₹2720 (d) ₹2040
40. 40.The simple interest on ₹8500 for 3 years is ₹765. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 9%

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