Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 988 · 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 ₹9000 at 3% per year for 2 years? (a) ₹9540 (b) ₹540 (c) ₹270 (d) ₹810
2. 2.₹9500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹10925 (b) ₹9975 (c) ₹1425 (d) ₹11400
3. 3.₹2500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹675 (b) ₹3175 (c) ₹2725 (d) ₹3400
4. 4.₹7500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹900 (b) ₹7950 (c) ₹8850 (d) ₹8400
5. 5.The simple interest on ₹6000 for 2 years is ₹360. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 6%
6. 6.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹1635 (b) ₹135 (c) ₹45 (d) ₹180
7. 7.In how many years will ₹5500 earn ₹1980 simple interest at 12% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
8. 8.What is the simple interest on ₹7500 at 4% per year for 4 years? (a) ₹300 (b) ₹1500 (c) ₹1200 (d) ₹8700
9. 9.What is the simple interest on ₹1000 at 2% per year for 4 years? (a) ₹100 (b) ₹1080 (c) ₹20 (d) ₹80
10. 10.What is the simple interest on ₹8000 at 6% per year for 3 years? (a) ₹9440 (b) ₹1440 (c) ₹480 (d) ₹1920
11. 11.₹1500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹825 (b) ₹1665 (c) ₹2490 (d) ₹2325
12. 12.The simple interest on ₹10000 for 2 years is ₹800. What is the rate per year? (a) 5% (b) 4% (c) 8% (d) 3%
13. 13.The simple interest on ₹7500 for 4 years is ₹1500. What is the rate per year? (a) 20% (b) 5% (c) 6% (d) 4%
14. 14.₹4500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹4905 (b) ₹405 (c) ₹4635 (d) ₹5040
15. 15.In how many years will ₹4000 earn ₹960 simple interest at 8% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
16. 16.In how many years will ₹5000 earn ₹300 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
17. 17.What is the simple interest on ₹7500 at 7% per year for 2 years? (a) ₹1575 (b) ₹8550 (c) ₹525 (d) ₹1050
18. 18.The simple interest on ₹9500 for 3 years is ₹2280. What is the rate per year? (a) 8% (b) 24% (c) 7% (d) 9%
19. 19.The simple interest on ₹6500 for 4 years is ₹780. What is the rate per year? (a) 4% (b) 2% (c) 12% (d) 3%
20. 20.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹90 (b) ₹30 (c) ₹60 (d) ₹1560
21. 21.In how many years will ₹9500 earn ₹1520 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
22. 22.The simple interest on ₹3000 for 4 years is ₹480. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 16%
23. 23.The simple interest on ₹5500 for 5 years is ₹1925. What is the rate per year? (a) 35% (b) 8% (c) 7% (d) 6%
24. 24.₹8500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹9265 (b) ₹3060 (c) ₹11560 (d) ₹12325
25. 25.₹3500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹4200 (b) ₹560 (c) ₹3640 (d) ₹4060
26. 26.₹1000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹80 (c) ₹1100 (d) ₹1020
27. 27.In how many years will ₹7500 earn ₹1800 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
28. 28.₹9500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹9785 (b) ₹1425 (c) ₹10925 (d) ₹11210
29. 29.The simple interest on ₹5000 for 2 years is ₹1200. What is the rate per year? (a) 12% (b) 13% (c) 24% (d) 11%
30. 30.₹7000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1120 (b) ₹7280 (c) ₹8400 (d) ₹8120
31. 31.₹2500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹3100 (b) ₹3000 (c) ₹2600 (d) ₹500
32. 32.The simple interest on ₹5000 for 3 years is ₹1500. What is the rate per year? (a) 11% (b) 10% (c) 30% (d) 9%
33. 33.₹3500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹4550 (b) ₹3675 (c) ₹875 (d) ₹4375
34. 34.In how many years will ₹6000 earn ₹480 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
35. 35.₹7000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1540 (b) ₹7770 (c) ₹8540 (d) ₹9310
36. 36.In how many years will ₹7000 earn ₹980 simple interest at 7% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
37. 37.₹2500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2750 (b) ₹1000 (c) ₹3500 (d) ₹3750
38. 38.In how many years will ₹4500 earn ₹900 simple interest at 4% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
39. 39.In how many years will ₹3000 earn ₹1320 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
40. 40.What is the simple interest on ₹5500 at 11% per year for 4 years? (a) ₹7920 (b) ₹605 (c) ₹2420 (d) ₹3025

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