Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 229 · 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 ₹1000 earn ₹100 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
2. 2.What is the simple interest on ₹6500 at 5% per year for 2 years? (a) ₹325 (b) ₹975 (c) ₹7150 (d) ₹650
3. 3.In how many years will ₹3500 earn ₹700 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
4. 4.₹2500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹2625 (b) ₹2875 (c) ₹3000 (d) ₹375
5. 5.In how many years will ₹5000 earn ₹2400 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
6. 6.The simple interest on ₹8000 for 4 years is ₹1600. What is the rate per year? (a) 20% (b) 6% (c) 5% (d) 4%
7. 7.₹8500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹12325 (b) ₹3825 (c) ₹13090 (d) ₹9265
8. 8.₹3500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹350 (b) ₹3850 (c) ₹3570 (d) ₹3920
9. 9.In how many years will ₹9000 earn ₹1080 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
10. 10.In how many years will ₹3000 earn ₹420 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
11. 11.The simple interest on ₹3500 for 5 years is ₹2100. What is the rate per year? (a) 12% (b) 13% (c) 60% (d) 11%
12. 12.What is the simple interest on ₹3500 at 5% per year for 4 years? (a) ₹875 (b) ₹4200 (c) ₹175 (d) ₹700
13. 13.The simple interest on ₹9000 for 2 years is ₹1260. What is the rate per year? (a) 14% (b) 6% (c) 8% (d) 7%
14. 14.What is the simple interest on ₹9500 at 3% per year for 2 years? (a) ₹855 (b) ₹570 (c) ₹10070 (d) ₹285
15. 15.What is the simple interest on ₹1000 at 5% per year for 4 years? (a) ₹200 (b) ₹50 (c) ₹250 (d) ₹1200
16. 16.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹450 (b) ₹150 (c) ₹3300 (d) ₹300
17. 17.The simple interest on ₹9000 for 2 years is ₹900. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 10%
18. 18.The simple interest on ₹10000 for 2 years is ₹1600. What is the rate per year? (a) 8% (b) 9% (c) 16% (d) 7%
19. 19.What is the simple interest on ₹5000 at 5% per year for 4 years? (a) ₹6000 (b) ₹250 (c) ₹1000 (d) ₹1250
20. 20.₹3000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3360 (b) ₹270 (c) ₹3270 (d) ₹3090
21. 21.In how many years will ₹10000 earn ₹2200 simple interest at 11% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
22. 22.What is the simple interest on ₹9500 at 2% per year for 5 years? (a) ₹1140 (b) ₹10450 (c) ₹950 (d) ₹190
23. 23.In how many years will ₹4500 earn ₹900 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
24. 24.₹7000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹7840 (b) ₹700 (c) ₹7700 (d) ₹7140
25. 25.The simple interest on ₹8500 for 4 years is ₹2040. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 24%
26. 26.₹1500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹120 (b) ₹1620 (c) ₹1650 (d) ₹1530
27. 27.What is the simple interest on ₹8500 at 4% per year for 5 years? (a) ₹340 (b) ₹2040 (c) ₹1700 (d) ₹10200
28. 28.What is the simple interest on ₹5500 at 11% per year for 3 years? (a) ₹1815 (b) ₹605 (c) ₹2420 (d) ₹7315
29. 29.The simple interest on ₹1000 for 5 years is ₹500. What is the rate per year? (a) 10% (b) 9% (c) 11% (d) 50%
30. 30.₹3500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹3745 (b) ₹735 (c) ₹4235 (d) ₹4480
31. 31.What is the simple interest on ₹2000 at 10% per year for 4 years? (a) ₹800 (b) ₹200 (c) ₹2800 (d) ₹1000
32. 32.The simple interest on ₹8500 for 2 years is ₹680. What is the rate per year? (a) 4% (b) 5% (c) 8% (d) 3%
33. 33.The simple interest on ₹8000 for 5 years is ₹2000. What is the rate per year? (a) 25% (b) 6% (c) 4% (d) 5%
34. 34.In how many years will ₹9000 earn ₹1800 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
35. 35.₹4500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹6660 (b) ₹2160 (c) ₹5040 (d) ₹7200
36. 36.The simple interest on ₹3500 for 4 years is ₹1680. What is the rate per year? (a) 48% (b) 12% (c) 13% (d) 11%
37. 37.What is the simple interest on ₹4000 at 4% per year for 4 years? (a) ₹640 (b) ₹4640 (c) ₹160 (d) ₹800
38. 38.The simple interest on ₹7500 for 2 years is ₹1650. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 22%
39. 39.₹9000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2250 (b) ₹9450 (c) ₹11250 (d) ₹11700
40. 40.What is the simple interest on ₹7500 at 2% per year for 5 years? (a) ₹150 (b) ₹8250 (c) ₹750 (d) ₹900

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