Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 558 · 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 ₹8500 for 2 years is ₹680. What is the rate per year? (a) 5% (b) 4% (c) 8% (d) 3%
2. 2.In how many years will ₹8000 earn ₹480 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
3. 3.In how many years will ₹4500 earn ₹180 simple interest at 2% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
4. 4.In how many years will ₹2500 earn ₹550 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
5. 5.What is the simple interest on ₹6000 at 12% per year for 3 years? (a) ₹2160 (b) ₹8160 (c) ₹720 (d) ₹2880
6. 6.In how many years will ₹5000 earn ₹2250 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
7. 7.₹2000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2040 (b) ₹2120 (c) ₹2080 (d) ₹80
8. 8.What is the simple interest on ₹4500 at 9% per year for 2 years? (a) ₹810 (b) ₹405 (c) ₹5310 (d) ₹1215
9. 9.₹1500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹600 (b) ₹2250 (c) ₹2100 (d) ₹1650
10. 10.₹4500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹5940 (b) ₹4860 (c) ₹1440 (d) ₹6300
11. 11.In how many years will ₹7000 earn ₹1400 simple interest at 5% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
12. 12.In how many years will ₹9000 earn ₹1080 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
13. 13.The simple interest on ₹6500 for 5 years is ₹2925. What is the rate per year? (a) 45% (b) 10% (c) 8% (d) 9%
14. 14.The simple interest on ₹4000 for 2 years is ₹400. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 10%
15. 15.In how many years will ₹1000 earn ₹320 simple interest at 8% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
16. 16.In how many years will ₹7500 earn ₹3300 simple interest at 11% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
17. 17.The simple interest on ₹2000 for 4 years is ₹560. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 28%
18. 18.What is the simple interest on ₹9500 at 3% per year for 5 years? (a) ₹1425 (b) ₹10925 (c) ₹1710 (d) ₹285
19. 19.₹8500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹11900 (b) ₹9350 (c) ₹11050 (d) ₹2550
20. 20.₹10000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹11800 (b) ₹10600 (c) ₹1200 (d) ₹11200
21. 21.₹1500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹405 (b) ₹1905 (c) ₹2040 (d) ₹1635
22. 22.The simple interest on ₹10000 for 3 years is ₹3600. What is the rate per year? (a) 12% (b) 36% (c) 13% (d) 11%
23. 23.In how many years will ₹2500 earn ₹300 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
24. 24.What is the simple interest on ₹3000 at 5% per year for 4 years? (a) ₹3600 (b) ₹600 (c) ₹150 (d) ₹750
25. 25.₹3500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹420 (b) ₹3920 (c) ₹3710 (d) ₹4130
26. 26.In how many years will ₹7500 earn ₹2100 simple interest at 7% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
27. 27.In how many years will ₹7500 earn ₹1800 simple interest at 12% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
28. 28.What is the simple interest on ₹5000 at 3% per year for 4 years? (a) ₹750 (b) ₹150 (c) ₹600 (d) ₹5600
29. 29.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1560 (b) ₹1860 (c) ₹300 (d) ₹1800
30. 30.What is the simple interest on ₹5500 at 11% per year for 3 years? (a) ₹2420 (b) ₹7315 (c) ₹1815 (d) ₹605
31. 31.What is the simple interest on ₹5500 at 2% per year for 4 years? (a) ₹110 (b) ₹550 (c) ₹5940 (d) ₹440
32. 32.What is the simple interest on ₹3500 at 2% per year for 4 years? (a) ₹3780 (b) ₹70 (c) ₹280 (d) ₹350
33. 33.What is the simple interest on ₹9500 at 4% per year for 4 years? (a) ₹11020 (b) ₹1900 (c) ₹380 (d) ₹1520
34. 34.What is the simple interest on ₹2500 at 7% per year for 3 years? (a) ₹525 (b) ₹3025 (c) ₹175 (d) ₹700
35. 35.In how many years will ₹6000 earn ₹3000 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
36. 36.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹210 (b) ₹3840 (c) ₹1050 (d) ₹840
37. 37.The simple interest on ₹6000 for 5 years is ₹3300. What is the rate per year? (a) 55% (b) 12% (c) 10% (d) 11%
38. 38.What is the simple interest on ₹4000 at 8% per year for 4 years? (a) ₹1280 (b) ₹320 (c) ₹1600 (d) ₹5280
39. 39.The simple interest on ₹10000 for 5 years is ₹1000. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 10%
40. 40.What is the simple interest on ₹7000 at 3% per year for 4 years? (a) ₹840 (b) ₹1050 (c) ₹210 (d) ₹7840

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