Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 172 · 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 ₹6000 earn ₹1980 simple interest at 11% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
2. 2.What is the simple interest on ₹9000 at 10% per year for 3 years? (a) ₹11700 (b) ₹2700 (c) ₹3600 (d) ₹900
3. 3.₹7500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹450 (b) ₹8175 (c) ₹7725 (d) ₹7950
4. 4.The simple interest on ₹8500 for 5 years is ₹3400. What is the rate per year? (a) 9% (b) 7% (c) 40% (d) 8%
5. 5.The simple interest on ₹7000 for 2 years is ₹420. What is the rate per year? (a) 6% (b) 4% (c) 2% (d) 3%
6. 6.₹5500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹6820 (b) ₹990 (c) ₹6490 (d) ₹5830
7. 7.What is the simple interest on ₹3500 at 6% per year for 4 years? (a) ₹210 (b) ₹4340 (c) ₹840 (d) ₹1050
8. 8.What is the simple interest on ₹2500 at 3% per year for 3 years? (a) ₹300 (b) ₹75 (c) ₹2725 (d) ₹225
9. 9.₹2000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2100 (b) ₹2300 (c) ₹200 (d) ₹2200
10. 10.In how many years will ₹6500 earn ₹260 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
11. 11.₹8500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2550 (b) ₹9010 (c) ₹11560 (d) ₹11050
12. 12.In how many years will ₹7000 earn ₹980 simple interest at 7% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
13. 13.What is the simple interest on ₹8500 at 12% per year for 5 years? (a) ₹13600 (b) ₹5100 (c) ₹6120 (d) ₹1020
14. 14.₹3000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹3450 (b) ₹450 (c) ₹3600 (d) ₹3150
15. 15.What is the simple interest on ₹5000 at 12% per year for 3 years? (a) ₹1800 (b) ₹6800 (c) ₹2400 (d) ₹600
16. 16.What is the simple interest on ₹4000 at 12% per year for 2 years? (a) ₹480 (b) ₹1440 (c) ₹4960 (d) ₹960
17. 17.₹7000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹7350 (b) ₹1050 (c) ₹8400 (d) ₹8050
18. 18.The simple interest on ₹8500 for 4 years is ₹2380. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 28%
19. 19.₹1500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹1725 (b) ₹1650 (c) ₹150 (d) ₹1575
20. 20.The simple interest on ₹1000 for 3 years is ₹210. What is the rate per year? (a) 6% (b) 21% (c) 7% (d) 8%
21. 21.What is the simple interest on ₹5500 at 2% per year for 4 years? (a) ₹110 (b) ₹5940 (c) ₹550 (d) ₹440
22. 22.The simple interest on ₹6500 for 2 years is ₹1040. What is the rate per year? (a) 16% (b) 9% (c) 8% (d) 7%
23. 23.What is the simple interest on ₹1000 at 12% per year for 4 years? (a) ₹120 (b) ₹600 (c) ₹1480 (d) ₹480
24. 24.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹3640 (b) ₹210 (c) ₹70 (d) ₹140
25. 25.In how many years will ₹5000 earn ₹1200 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
26. 26.In how many years will ₹1000 earn ₹600 simple interest at 12% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
27. 27.What is the simple interest on ₹2500 at 2% per year for 3 years? (a) ₹200 (b) ₹150 (c) ₹50 (d) ₹2650
28. 28.The simple interest on ₹6000 for 4 years is ₹2880. What is the rate per year? (a) 13% (b) 11% (c) 48% (d) 12%
29. 29.What is the simple interest on ₹1500 at 2% per year for 5 years? (a) ₹30 (b) ₹1650 (c) ₹180 (d) ₹150
30. 30.The simple interest on ₹3000 for 4 years is ₹720. What is the rate per year? (a) 5% (b) 24% (c) 6% (d) 7%
31. 31.In how many years will ₹4500 earn ₹450 simple interest at 5% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
32. 32.What is the simple interest on ₹1000 at 9% per year for 5 years? (a) ₹1450 (b) ₹540 (c) ₹450 (d) ₹90
33. 33.₹8500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹10200 (b) ₹9775 (c) ₹8925 (d) ₹1275
34. 34.What is the simple interest on ₹4000 at 8% per year for 2 years? (a) ₹960 (b) ₹4640 (c) ₹320 (d) ₹640
35. 35.The simple interest on ₹2500 for 3 years is ₹150. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 6%
36. 36.₹2500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹825 (b) ₹3325 (c) ₹2775 (d) ₹3600
37. 37.₹3500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3780 (b) ₹4060 (c) ₹560 (d) ₹4340
38. 38.What is the simple interest on ₹8500 at 11% per year for 2 years? (a) ₹1870 (b) ₹2805 (c) ₹10370 (d) ₹935
39. 39.₹4500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹4950 (b) ₹4590 (c) ₹450 (d) ₹5040
40. 40.The simple interest on ₹4500 for 5 years is ₹1575. What is the rate per year? (a) 6% (b) 7% (c) 35% (d) 8%

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