Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 247 · 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.₹9000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹11970 (b) ₹9990 (c) ₹12960 (d) ₹2970
2. 2.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹525 (b) ₹350 (c) ₹3850 (d) ₹175
3. 3.In how many years will ₹2000 earn ₹160 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
4. 4.₹7500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹7800 (c) ₹9000 (d) ₹9300
5. 5.What is the simple interest on ₹5500 at 6% per year for 2 years? (a) ₹6160 (b) ₹990 (c) ₹330 (d) ₹660
6. 6.In how many years will ₹9000 earn ₹2250 simple interest at 5% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
7. 7.In how many years will ₹9500 earn ₹5700 simple interest at 12% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
8. 8.₹4500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1125 (b) ₹5850 (c) ₹4725 (d) ₹5625
9. 9.The simple interest on ₹7000 for 2 years is ₹280. What is the rate per year? (a) 4% (b) 3% (c) 1% (d) 2%
10. 10.₹7500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2625 (b) ₹10650 (c) ₹10125 (d) ₹8025
11. 11.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹120 (b) ₹720 (c) ₹600 (d) ₹3600
12. 12.What is the simple interest on ₹8500 at 2% per year for 3 years? (a) ₹680 (b) ₹510 (c) ₹170 (d) ₹9010
13. 13.What is the simple interest on ₹1500 at 12% per year for 5 years? (a) ₹1080 (b) ₹2400 (c) ₹180 (d) ₹900
14. 14.The simple interest on ₹3500 for 2 years is ₹700. What is the rate per year? (a) 10% (b) 9% (c) 20% (d) 11%
15. 15.What is the simple interest on ₹4500 at 9% per year for 3 years? (a) ₹5715 (b) ₹1620 (c) ₹1215 (d) ₹405
16. 16.In how many years will ₹7500 earn ₹1125 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
17. 17.What is the simple interest on ₹8500 at 12% per year for 2 years? (a) ₹1020 (b) ₹10540 (c) ₹2040 (d) ₹3060
18. 18.₹7500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹7950 (b) ₹8850 (c) ₹9300 (d) ₹1350
19. 19.₹7000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹9310 (b) ₹2310 (c) ₹7770 (d) ₹10080
20. 20.₹1000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹1030 (b) ₹1090 (c) ₹90 (d) ₹1120
21. 21.In how many years will ₹9000 earn ₹2160 simple interest at 12% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
22. 22.₹1500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2175 (b) ₹540 (c) ₹2040 (d) ₹1635
23. 23.What is the simple interest on ₹3500 at 10% per year for 5 years? (a) ₹350 (b) ₹2100 (c) ₹5250 (d) ₹1750
24. 24.₹8500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹9520 (b) ₹13600 (c) ₹12580 (d) ₹4080
25. 25.The simple interest on ₹5500 for 5 years is ₹3300. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 60%
26. 26.The simple interest on ₹9000 for 2 years is ₹2160. What is the rate per year? (a) 24% (b) 11% (c) 12% (d) 13%
27. 27.The simple interest on ₹1500 for 3 years is ₹495. What is the rate per year? (a) 33% (b) 12% (c) 11% (d) 10%
28. 28.₹5000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹7000 (b) ₹5400 (c) ₹2000 (d) ₹7400
29. 29.₹9500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹9690 (b) ₹570 (c) ₹10260 (d) ₹10070
30. 30.₹7500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1500 (b) ₹9000 (c) ₹9750 (d) ₹8250
31. 31.What is the simple interest on ₹8000 at 11% per year for 5 years? (a) ₹4400 (b) ₹5280 (c) ₹12400 (d) ₹880
32. 32.₹1500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1800 (b) ₹1875 (c) ₹300 (d) ₹1575
33. 33.₹8500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹850 (b) ₹9520 (c) ₹8670 (d) ₹9350
34. 34.What is the simple interest on ₹7500 at 8% per year for 2 years? (a) ₹1200 (b) ₹8700 (c) ₹600 (d) ₹1800
35. 35.The simple interest on ₹9000 for 4 years is ₹2160. What is the rate per year? (a) 24% (b) 5% (c) 6% (d) 7%
36. 36.In how many years will ₹2500 earn ₹750 simple interest at 6% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
37. 37.What is the simple interest on ₹5000 at 3% per year for 4 years? (a) ₹150 (b) ₹5600 (c) ₹750 (d) ₹600
38. 38.In how many years will ₹10000 earn ₹600 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
39. 39.The simple interest on ₹9000 for 5 years is ₹1350. What is the rate per year? (a) 4% (b) 2% (c) 15% (d) 3%
40. 40.The simple interest on ₹7000 for 3 years is ₹1050. What is the rate per year? (a) 15% (b) 6% (c) 4% (d) 5%

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