Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 48 · 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.₹2000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹2160 (b) ₹2800 (c) ₹640 (d) ₹2640
2. 2.The simple interest on ₹2500 for 2 years is ₹350. What is the rate per year? (a) 6% (b) 8% (c) 14% (d) 7%
3. 3.The simple interest on ₹1500 for 2 years is ₹360. What is the rate per year? (a) 24% (b) 13% (c) 12% (d) 11%
4. 4.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
5. 5.What is the simple interest on ₹5500 at 2% per year for 5 years? (a) ₹660 (b) ₹110 (c) ₹550 (d) ₹6050
6. 6.In how many years will ₹5000 earn ₹1500 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
7. 7.The simple interest on ₹6500 for 5 years is ₹2925. What is the rate per year? (a) 9% (b) 10% (c) 8% (d) 45%
8. 8.What is the simple interest on ₹3000 at 11% per year for 4 years? (a) ₹1650 (b) ₹330 (c) ₹4320 (d) ₹1320
9. 9.What is the simple interest on ₹9500 at 4% per year for 3 years? (a) ₹1520 (b) ₹380 (c) ₹10640 (d) ₹1140
10. 10.₹4500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹720 (b) ₹4860 (c) ₹5220 (d) ₹5580
11. 11.In how many years will ₹8000 earn ₹2560 simple interest at 8% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
12. 12.₹1000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹350 (b) ₹1420 (c) ₹1350 (d) ₹1070
13. 13.The simple interest on ₹5000 for 2 years is ₹300. What is the rate per year? (a) 6% (b) 4% (c) 3% (d) 2%
14. 14.What is the simple interest on ₹9000 at 8% per year for 2 years? (a) ₹720 (b) ₹10440 (c) ₹1440 (d) ₹2160
15. 15.The simple interest on ₹7500 for 4 years is ₹3300. What is the rate per year? (a) 44% (b) 12% (c) 11% (d) 10%
16. 16.In how many years will ₹7000 earn ₹1120 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
17. 17.The simple interest on ₹2500 for 5 years is ₹1375. What is the rate per year? (a) 11% (b) 55% (c) 10% (d) 12%
18. 18.What is the simple interest on ₹5000 at 3% per year for 5 years? (a) ₹150 (b) ₹900 (c) ₹5750 (d) ₹750
19. 19.The simple interest on ₹3000 for 2 years is ₹420. What is the rate per year? (a) 14% (b) 8% (c) 6% (d) 7%
20. 20.What is the simple interest on ₹10000 at 3% per year for 2 years? (a) ₹600 (b) ₹900 (c) ₹300 (d) ₹10600
21. 21.₹3000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹4440 (b) ₹1440 (c) ₹3360 (d) ₹4800
22. 22.The simple interest on ₹7000 for 3 years is ₹2310. What is the rate per year? (a) 33% (b) 11% (c) 12% (d) 10%
23. 23.₹7000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2100 (b) ₹9520 (c) ₹7420 (d) ₹9100
24. 24.₹5000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹5250 (b) ₹6500 (c) ₹6250 (d) ₹1250
25. 25.The simple interest on ₹9500 for 4 years is ₹2660. What is the rate per year? (a) 6% (b) 8% (c) 28% (d) 7%
26. 26.What is the simple interest on ₹7500 at 2% per year for 5 years? (a) ₹8250 (b) ₹900 (c) ₹150 (d) ₹750
27. 27.₹2500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹3125 (b) ₹3000 (c) ₹2625 (d) ₹500
28. 28.In how many years will ₹2500 earn ₹500 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
29. 29.In how many years will ₹5000 earn ₹300 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
30. 30.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹3600 (b) ₹720 (c) ₹600 (d) ₹120
31. 31.What is the simple interest on ₹6500 at 7% per year for 5 years? (a) ₹455 (b) ₹2275 (c) ₹2730 (d) ₹8775
32. 32.What is the simple interest on ₹7500 at 9% per year for 2 years? (a) ₹2025 (b) ₹8850 (c) ₹1350 (d) ₹675
33. 33.What is the simple interest on ₹9500 at 7% per year for 4 years? (a) ₹2660 (b) ₹3325 (c) ₹12160 (d) ₹665
34. 34.The simple interest on ₹1000 for 5 years is ₹200. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 20%
35. 35.In how many years will ₹9000 earn ₹1800 simple interest at 4% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
36. 36.In how many years will ₹5500 earn ₹880 simple interest at 4% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
37. 37.What is the simple interest on ₹4500 at 3% per year for 2 years? (a) ₹4770 (b) ₹135 (c) ₹270 (d) ₹405
38. 38.₹9500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹855 (b) ₹10640 (c) ₹9785 (d) ₹10355
39. 39.The simple interest on ₹7500 for 2 years is ₹1650. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 22%
40. 40.What is the simple interest on ₹1000 at 5% per year for 4 years? (a) ₹1200 (b) ₹250 (c) ₹200 (d) ₹50

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