Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 220 · 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 ₹6000 earn ₹480 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
2. 2.₹7500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹8175 (b) ₹9525 (c) ₹2025 (d) ₹10200
3. 3.What is the simple interest on ₹5000 at 5% per year for 3 years? (a) ₹750 (b) ₹1000 (c) ₹5750 (d) ₹250
4. 4.₹5500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹5940 (b) ₹7700 (c) ₹2200 (d) ₹8140
5. 5.In how many years will ₹2500 earn ₹600 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
6. 6.The simple interest on ₹8500 for 3 years is ₹2805. What is the rate per year? (a) 12% (b) 33% (c) 11% (d) 10%
7. 7.In how many years will ₹3500 earn ₹350 simple interest at 5% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
8. 8.The simple interest on ₹3000 for 3 years is ₹360. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 12%
9. 9.What is the simple interest on ₹9500 at 3% per year for 3 years? (a) ₹10355 (b) ₹285 (c) ₹1140 (d) ₹855
10. 10.In how many years will ₹5000 earn ₹2250 simple interest at 9% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
11. 11.What is the simple interest on ₹6500 at 11% per year for 5 years? (a) ₹715 (b) ₹3575 (c) ₹4290 (d) ₹10075
12. 12.What is the simple interest on ₹8000 at 7% per year for 5 years? (a) ₹10800 (b) ₹2800 (c) ₹560 (d) ₹3360
13. 13.In how many years will ₹3000 earn ₹480 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
14. 14.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3100 (b) ₹2700 (c) ₹400 (d) ₹2900
15. 15.₹1000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹270 (b) ₹1360 (c) ₹1270 (d) ₹1090
16. 16.The simple interest on ₹9500 for 3 years is ₹1425. What is the rate per year? (a) 15% (b) 6% (c) 4% (d) 5%
17. 17.The simple interest on ₹3500 for 5 years is ₹1050. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 30%
18. 18.What is the simple interest on ₹2000 at 10% per year for 4 years? (a) ₹800 (b) ₹2800 (c) ₹200 (d) ₹1000
19. 19.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3120 (b) ₹3060 (c) ₹120 (d) ₹3180
20. 20.What is the simple interest on ₹9000 at 8% per year for 4 years? (a) ₹2880 (b) ₹720 (c) ₹11880 (d) ₹3600
21. 21.What is the simple interest on ₹1500 at 7% per year for 3 years? (a) ₹420 (b) ₹1815 (c) ₹105 (d) ₹315
22. 22.The simple interest on ₹9500 for 5 years is ₹4750. What is the rate per year? (a) 50% (b) 9% (c) 10% (d) 11%
23. 23.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹375 (b) ₹750 (c) ₹1125 (d) ₹8250
24. 24.₹1500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2160 (b) ₹1665 (c) ₹2325 (d) ₹660
25. 25.₹10000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2700 (b) ₹13600 (c) ₹12700 (d) ₹10900
26. 26.The simple interest on ₹3500 for 4 years is ₹980. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 28%
27. 27.The simple interest on ₹8000 for 2 years is ₹1600. What is the rate per year? (a) 20% (b) 9% (c) 11% (d) 10%
28. 28.What is the simple interest on ₹1500 at 8% per year for 3 years? (a) ₹120 (b) ₹480 (c) ₹360 (d) ₹1860
29. 29.The simple interest on ₹2500 for 4 years is ₹1000. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 40%
30. 30.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 8%
31. 31.The simple interest on ₹5000 for 2 years is ₹700. What is the rate per year? (a) 6% (b) 8% (c) 14% (d) 7%
32. 32.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
33. 33.In how many years will ₹8000 earn ₹4400 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
34. 34.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹630 (b) ₹420 (c) ₹210 (d) ₹3420
35. 35.In how many years will ₹7000 earn ₹1890 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
36. 36.₹6000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹3300 (b) ₹6660 (c) ₹9300 (d) ₹9960
37. 37.₹4500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹5580 (b) ₹6120 (c) ₹1080 (d) ₹5040
38. 38.In how many years will ₹10000 earn ₹2400 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
39. 39.The simple interest on ₹3000 for 2 years is ₹420. What is the rate per year? (a) 14% (b) 7% (c) 8% (d) 6%
40. 40.What is the simple interest on ₹9500 at 12% per year for 3 years? (a) ₹3420 (b) ₹4560 (c) ₹1140 (d) ₹12920

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