Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 462 · 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 ₹3500 for 5 years is ₹525. What is the rate per year? (a) 15% (b) 3% (c) 2% (d) 4%
2. 2.What is the simple interest on ₹8000 at 7% per year for 2 years? (a) ₹9120 (b) ₹1680 (c) ₹1120 (d) ₹560
3. 3.₹9000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹9900 (b) ₹4500 (c) ₹14400 (d) ₹13500
4. 4.The simple interest on ₹2000 for 3 years is ₹300. What is the rate per year? (a) 15% (b) 5% (c) 6% (d) 4%
5. 5.The simple interest on ₹6500 for 4 years is ₹2600. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 40%
6. 6.In how many years will ₹9000 earn ₹360 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
7. 7.The simple interest on ₹6000 for 4 years is ₹960. What is the rate per year? (a) 3% (b) 16% (c) 5% (d) 4%
8. 8.What is the simple interest on ₹7500 at 12% per year for 5 years? (a) ₹5400 (b) ₹12000 (c) ₹4500 (d) ₹900
9. 9.The simple interest on ₹1500 for 4 years is ₹420. What is the rate per year? (a) 6% (b) 28% (c) 7% (d) 8%
10. 10.The simple interest on ₹1500 for 4 years is ₹660. What is the rate per year? (a) 12% (b) 11% (c) 44% (d) 10%
11. 11.₹1000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1240 (b) ₹1200 (c) ₹1040 (d) ₹200
12. 12.₹5500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹8250 (b) ₹6050 (c) ₹2750 (d) ₹8800
13. 13.₹9500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹10450 (b) ₹14250 (c) ₹3800 (d) ₹13300
14. 14.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹500 (b) ₹100 (c) ₹600 (d) ₹3000
15. 15.What is the simple interest on ₹8000 at 12% per year for 4 years? (a) ₹11840 (b) ₹960 (c) ₹4800 (d) ₹3840
16. 16.₹5500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹990 (b) ₹5995 (c) ₹6490 (d) ₹6985
17. 17.₹3000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹3300 (b) ₹240 (c) ₹3240 (d) ₹3060
18. 18.What is the simple interest on ₹3000 at 8% per year for 3 years? (a) ₹240 (b) ₹960 (c) ₹720 (d) ₹3720
19. 19.The simple interest on ₹9000 for 4 years is ₹2160. What is the rate per year? (a) 7% (b) 5% (c) 24% (d) 6%
20. 20.In how many years will ₹9500 earn ₹855 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
21. 21.The simple interest on ₹3500 for 3 years is ₹315. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 9%
22. 22.The simple interest on ₹9000 for 2 years is ₹720. What is the rate per year? (a) 4% (b) 8% (c) 5% (d) 3%
23. 23.₹9000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹11880 (b) ₹11160 (c) ₹9720 (d) ₹2160
24. 24.What is the simple interest on ₹8500 at 9% per year for 5 years? (a) ₹4590 (b) ₹765 (c) ₹12325 (d) ₹3825
25. 25.What is the simple interest on ₹9000 at 6% per year for 3 years? (a) ₹10620 (b) ₹540 (c) ₹2160 (d) ₹1620
26. 26.₹3500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹420 (b) ₹4130 (c) ₹3710 (d) ₹3920
27. 27.The simple interest on ₹6000 for 5 years is ₹1200. What is the rate per year? (a) 5% (b) 4% (c) 20% (d) 3%
28. 28.What is the simple interest on ₹6000 at 11% per year for 2 years? (a) ₹7320 (b) ₹660 (c) ₹1320 (d) ₹1980
29. 29.What is the simple interest on ₹6000 at 12% per year for 5 years? (a) ₹9600 (b) ₹3600 (c) ₹720 (d) ₹4320
30. 30.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹45 (b) ₹135 (c) ₹1590 (d) ₹90
31. 31.In how many years will ₹3500 earn ₹210 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
32. 32.The simple interest on ₹7000 for 3 years is ₹420. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 1%
33. 33.₹4000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹6400 (b) ₹6880 (c) ₹2400 (d) ₹4480
34. 34.What is the simple interest on ₹1000 at 5% per year for 5 years? (a) ₹300 (b) ₹50 (c) ₹250 (d) ₹1250
35. 35.The simple interest on ₹2500 for 3 years is ₹150. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 6%
36. 36.In how many years will ₹3500 earn ₹1400 simple interest at 10% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
37. 37.What is the simple interest on ₹3500 at 4% per year for 3 years? (a) ₹420 (b) ₹140 (c) ₹560 (d) ₹3920
38. 38.In how many years will ₹2500 earn ₹350 simple interest at 7% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
39. 39.In how many years will ₹3500 earn ₹525 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
40. 40.What is the simple interest on ₹1500 at 10% per year for 2 years? (a) ₹1800 (b) ₹150 (c) ₹450 (d) ₹300

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