Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 957 · 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.₹7000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹9100 (b) ₹7700 (c) ₹1400 (d) ₹8400
2. 2.₹1500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹300 (b) ₹1875 (c) ₹1800 (d) ₹1575
3. 3.In how many years will ₹5000 earn ₹800 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
4. 4.₹4000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹4440 (b) ₹5320 (c) ₹1320 (d) ₹5760
5. 5.What is the simple interest on ₹3500 at 7% per year for 5 years? (a) ₹1470 (b) ₹245 (c) ₹4725 (d) ₹1225
6. 6.The simple interest on ₹3500 for 2 years is ₹140. What is the rate per year? (a) 4% (b) 1% (c) 3% (d) 2%
7. 7.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1560 (b) ₹1590 (c) ₹1530 (d) ₹60
8. 8.In how many years will ₹9000 earn ₹2430 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
9. 9.In how many years will ₹6000 earn ₹1200 simple interest at 10% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
10. 10.The simple interest on ₹7500 for 5 years is ₹4500. What is the rate per year? (a) 60% (b) 11% (c) 12% (d) 13%
11. 11.What is the simple interest on ₹5000 at 10% per year for 5 years? (a) ₹500 (b) ₹3000 (c) ₹2500 (d) ₹7500
12. 12.In how many years will ₹2000 earn ₹1200 simple interest at 12% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
13. 13.₹4000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹5200 (b) ₹4400 (c) ₹800 (d) ₹4800
14. 14.In how many years will ₹5500 earn ₹440 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
15. 15.What is the simple interest on ₹9500 at 9% per year for 4 years? (a) ₹4275 (b) ₹3420 (c) ₹12920 (d) ₹855
16. 16.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
17. 17.In how many years will ₹5500 earn ₹1210 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
18. 18.In how many years will ₹5500 earn ₹440 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
19. 19.The simple interest on ₹3500 for 3 years is ₹525. What is the rate per year? (a) 5% (b) 15% (c) 4% (d) 6%
20. 20.In how many years will ₹9000 earn ₹3960 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
21. 21.The simple interest on ₹3500 for 2 years is ₹700. What is the rate per year? (a) 9% (b) 20% (c) 11% (d) 10%
22. 22.In how many years will ₹3500 earn ₹1050 simple interest at 10% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
23. 23.The simple interest on ₹2500 for 2 years is ₹350. What is the rate per year? (a) 14% (b) 6% (c) 8% (d) 7%
24. 24.In how many years will ₹7000 earn ₹630 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
25. 25.₹1500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1650 (b) ₹2100 (c) ₹450 (d) ₹1950
26. 26.In how many years will ₹8500 earn ₹680 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
27. 27.₹5500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹990 (b) ₹5830 (c) ₹6490 (d) ₹6820
28. 28.What is the simple interest on ₹3000 at 8% per year for 2 years? (a) ₹720 (b) ₹3480 (c) ₹480 (d) ₹240
29. 29.₹1500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹1680 (c) ₹2580 (d) ₹2400
30. 30.The simple interest on ₹5500 for 4 years is ₹2200. What is the rate per year? (a) 11% (b) 9% (c) 40% (d) 10%
31. 31.In how many years will ₹9000 earn ₹1350 simple interest at 5% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
32. 32.The simple interest on ₹4000 for 2 years is ₹880. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 22%
33. 33.In how many years will ₹2500 earn ₹150 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
34. 34.The simple interest on ₹6500 for 2 years is ₹1040. What is the rate per year? (a) 9% (b) 16% (c) 8% (d) 7%
35. 35.₹8000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹12000 (b) ₹4000 (c) ₹8800 (d) ₹12800
36. 36.What is the simple interest on ₹10000 at 7% per year for 2 years? (a) ₹700 (b) ₹1400 (c) ₹11400 (d) ₹2100
37. 37.What is the simple interest on ₹8500 at 12% per year for 2 years? (a) ₹10540 (b) ₹1020 (c) ₹3060 (d) ₹2040
38. 38.What is the simple interest on ₹9000 at 3% per year for 4 years? (a) ₹10080 (b) ₹1080 (c) ₹1350 (d) ₹270
39. 39.What is the simple interest on ₹2500 at 8% per year for 3 years? (a) ₹200 (b) ₹800 (c) ₹3100 (d) ₹600
40. 40.What is the simple interest on ₹8500 at 5% per year for 3 years? (a) ₹9775 (b) ₹1275 (c) ₹1700 (d) ₹425

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