Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 744 · 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 ₹5500 for 2 years is ₹1320. What is the rate per year? (a) 24% (b) 13% (c) 12% (d) 11%
2. 2.₹9500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1900 (b) ₹11875 (c) ₹11400 (d) ₹9975
3. 3.₹1000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹320 (b) ₹1400 (c) ₹1080 (d) ₹1320
4. 4.The simple interest on ₹2500 for 5 years is ₹750. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 30%
5. 5.What is the simple interest on ₹7500 at 5% per year for 4 years? (a) ₹1875 (b) ₹9000 (c) ₹375 (d) ₹1500
6. 6.The simple interest on ₹2000 for 2 years is ₹320. What is the rate per year? (a) 7% (b) 16% (c) 9% (d) 8%
7. 7.In how many years will ₹1000 earn ₹160 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
8. 8.₹7500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹7725 (b) ₹8625 (c) ₹8850 (d) ₹1125
9. 9.The simple interest on ₹4500 for 4 years is ₹360. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 8%
10. 10.The simple interest on ₹6500 for 5 years is ₹3900. What is the rate per year? (a) 11% (b) 12% (c) 60% (d) 13%
11. 11.What is the simple interest on ₹5500 at 3% per year for 2 years? (a) ₹165 (b) ₹5830 (c) ₹495 (d) ₹330
12. 12.The simple interest on ₹2500 for 2 years is ₹400. What is the rate per year? (a) 16% (b) 7% (c) 9% (d) 8%
13. 13.The simple interest on ₹7500 for 3 years is ₹900. What is the rate per year? (a) 12% (b) 4% (c) 5% (d) 3%
14. 14.The simple interest on ₹1000 for 4 years is ₹280. What is the rate per year? (a) 7% (b) 6% (c) 28% (d) 8%
15. 15.The simple interest on ₹2500 for 4 years is ₹800. What is the rate per year? (a) 9% (b) 7% (c) 32% (d) 8%
16. 16.The simple interest on ₹3500 for 2 years is ₹630. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 18%
17. 17.The simple interest on ₹3000 for 2 years is ₹480. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
18. 18.The simple interest on ₹7500 for 2 years is ₹450. What is the rate per year? (a) 2% (b) 4% (c) 6% (d) 3%
19. 19.What is the simple interest on ₹4000 at 8% per year for 5 years? (a) ₹5600 (b) ₹1920 (c) ₹1600 (d) ₹320
20. 20.₹10000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹4000 (b) ₹11000 (c) ₹15000 (d) ₹14000
21. 21.What is the simple interest on ₹4500 at 10% per year for 3 years? (a) ₹1800 (b) ₹450 (c) ₹1350 (d) ₹5850
22. 22.What is the simple interest on ₹7000 at 5% per year for 3 years? (a) ₹8050 (b) ₹1050 (c) ₹1400 (d) ₹350
23. 23.What is the simple interest on ₹8000 at 10% per year for 4 years? (a) ₹4000 (b) ₹800 (c) ₹3200 (d) ₹11200
24. 24.₹2000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2220 (b) ₹2440 (c) ₹440 (d) ₹2660
25. 25.₹3500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1925 (b) ₹5810 (c) ₹3885 (d) ₹5425
26. 26.What is the simple interest on ₹9500 at 5% per year for 3 years? (a) ₹1425 (b) ₹10925 (c) ₹1900 (d) ₹475
27. 27.In how many years will ₹7500 earn ₹600 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
28. 28.In how many years will ₹1500 earn ₹225 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
29. 29.The simple interest on ₹4500 for 2 years is ₹810. What is the rate per year? (a) 10% (b) 8% (c) 18% (d) 9%
30. 30.What is the simple interest on ₹3500 at 12% per year for 4 years? (a) ₹1680 (b) ₹5180 (c) ₹2100 (d) ₹420
31. 31.What is the simple interest on ₹2000 at 3% per year for 5 years? (a) ₹300 (b) ₹60 (c) ₹2300 (d) ₹360
32. 32.What is the simple interest on ₹2000 at 5% per year for 4 years? (a) ₹100 (b) ₹500 (c) ₹400 (d) ₹2400
33. 33.In how many years will ₹4500 earn ₹720 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
34. 34.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹450 (b) ₹300 (c) ₹2800 (d) ₹150
35. 35.The simple interest on ₹7000 for 2 years is ₹420. What is the rate per year? (a) 4% (b) 2% (c) 6% (d) 3%
36. 36.In how many years will ₹4500 earn ₹810 simple interest at 6% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
37. 37.In how many years will ₹7000 earn ₹280 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
38. 38.The simple interest on ₹2000 for 4 years is ₹160. What is the rate per year? (a) 8% (b) 1% (c) 2% (d) 3%
39. 39.₹4500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹450 (b) ₹5040 (c) ₹4950 (d) ₹4590
40. 40.The simple interest on ₹5000 for 5 years is ₹500. What is the rate per year? (a) 1% (b) 10% (c) 2% (d) 3%

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