Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 976 · 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 ₹3000 at 8% per year for 5 years? (a) ₹4200 (b) ₹240 (c) ₹1440 (d) ₹1200
2. 2.In how many years will ₹1500 earn ₹210 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
3. 3.In how many years will ₹2500 earn ₹225 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
4. 4.What is the simple interest on ₹2500 at 5% per year for 3 years? (a) ₹2875 (b) ₹500 (c) ₹375 (d) ₹125
5. 5.The simple interest on ₹10000 for 5 years is ₹5000. What is the rate per year? (a) 9% (b) 50% (c) 11% (d) 10%
6. 6.In how many years will ₹4000 earn ₹1280 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
7. 7.The simple interest on ₹10000 for 5 years is ₹1000. What is the rate per year? (a) 3% (b) 2% (c) 10% (d) 1%
8. 8.What is the simple interest on ₹5500 at 4% per year for 3 years? (a) ₹660 (b) ₹880 (c) ₹6160 (d) ₹220
9. 9.₹3000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹4260 (b) ₹1050 (c) ₹4050 (d) ₹3210
10. 10.What is the simple interest on ₹3000 at 5% per year for 4 years? (a) ₹3600 (b) ₹750 (c) ₹150 (d) ₹600
11. 11.₹1000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹80 (b) ₹1020 (c) ₹1080 (d) ₹1100
12. 12.What is the simple interest on ₹3500 at 4% per year for 5 years? (a) ₹140 (b) ₹840 (c) ₹700 (d) ₹4200
13. 13.What is the simple interest on ₹1500 at 12% per year for 2 years? (a) ₹360 (b) ₹1860 (c) ₹540 (d) ₹180
14. 14.The simple interest on ₹6000 for 3 years is ₹1440. What is the rate per year? (a) 7% (b) 24% (c) 8% (d) 9%
15. 15.The simple interest on ₹4500 for 5 years is ₹450. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 10%
16. 16.What is the simple interest on ₹3500 at 5% per year for 3 years? (a) ₹175 (b) ₹525 (c) ₹4025 (d) ₹700
17. 17.What is the simple interest on ₹5500 at 7% per year for 5 years? (a) ₹385 (b) ₹7425 (c) ₹1925 (d) ₹2310
18. 18.What is the simple interest on ₹8500 at 12% per year for 2 years? (a) ₹1020 (b) ₹3060 (c) ₹10540 (d) ₹2040
19. 19.What is the simple interest on ₹8500 at 3% per year for 4 years? (a) ₹1275 (b) ₹255 (c) ₹9520 (d) ₹1020
20. 20.In how many years will ₹7500 earn ₹300 simple interest at 2% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
21. 21.What is the simple interest on ₹6500 at 6% per year for 2 years? (a) ₹780 (b) ₹390 (c) ₹7280 (d) ₹1170
22. 22.₹4500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4995 (b) ₹2475 (c) ₹7470 (d) ₹6975
23. 23.What is the simple interest on ₹7500 at 6% per year for 2 years? (a) ₹900 (b) ₹450 (c) ₹1350 (d) ₹8400
24. 24.What is the simple interest on ₹4000 at 4% per year for 2 years? (a) ₹160 (b) ₹480 (c) ₹4320 (d) ₹320
25. 25.₹5000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹5400 (b) ₹7400 (c) ₹7000 (d) ₹2000
26. 26.The simple interest on ₹2500 for 3 years is ₹225. What is the rate per year? (a) 2% (b) 9% (c) 4% (d) 3%
27. 27.What is the simple interest on ₹4000 at 10% per year for 5 years? (a) ₹6000 (b) ₹2400 (c) ₹400 (d) ₹2000
28. 28.₹9500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹12065 (b) ₹12920 (c) ₹2565 (d) ₹10355
29. 29.In how many years will ₹5500 earn ₹1155 simple interest at 7% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
30. 30.₹4500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1350 (b) ₹6300 (c) ₹5850 (d) ₹4950
31. 31.The simple interest on ₹9500 for 3 years is ₹2280. What is the rate per year? (a) 24% (b) 8% (c) 7% (d) 9%
32. 32.The simple interest on ₹7500 for 4 years is ₹1800. What is the rate per year? (a) 5% (b) 24% (c) 6% (d) 7%
33. 33.What is the simple interest on ₹9000 at 4% per year for 2 years? (a) ₹720 (b) ₹9720 (c) ₹360 (d) ₹1080
34. 34.What is the simple interest on ₹8500 at 6% per year for 3 years? (a) ₹1530 (b) ₹10030 (c) ₹2040 (d) ₹510
35. 35.What is the simple interest on ₹1500 at 6% per year for 4 years? (a) ₹1860 (b) ₹90 (c) ₹450 (d) ₹360
36. 36.In how many years will ₹3000 earn ₹1440 simple interest at 12% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
37. 37.The simple interest on ₹4500 for 5 years is ₹1125. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 25%
38. 38.The simple interest on ₹3000 for 5 years is ₹1500. What is the rate per year? (a) 10% (b) 9% (c) 11% (d) 50%
39. 39.In how many years will ₹2000 earn ₹480 simple interest at 6% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
40. 40.₹10000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹10400 (b) ₹12400 (c) ₹2000 (d) ₹12000

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