Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 595 · 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 ₹10000 for 5 years is ₹2500. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 25%
2. 2.The simple interest on ₹7000 for 3 years is ₹1050. What is the rate per year? (a) 15% (b) 4% (c) 6% (d) 5%
3. 3.₹3000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹4650 (b) ₹3330 (c) ₹4320 (d) ₹1320
4. 4.₹4500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹4680 (b) ₹900 (c) ₹5400 (d) ₹5580
5. 5.The simple interest on ₹2000 for 2 years is ₹160. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 8%
6. 6.What is the simple interest on ₹4000 at 12% per year for 5 years? (a) ₹6400 (b) ₹480 (c) ₹2880 (d) ₹2400
7. 7.In how many years will ₹2500 earn ₹375 simple interest at 3% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
8. 8.In how many years will ₹5000 earn ₹1000 simple interest at 10% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
9. 9.In how many years will ₹3000 earn ₹120 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
10. 10.In how many years will ₹2000 earn ₹1200 simple interest at 12% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
11. 11.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹800 (b) ₹10600 (c) ₹600 (d) ₹200
12. 12.₹6000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹960 (b) ₹6960 (c) ₹7440 (d) ₹6480
13. 13.In how many years will ₹7000 earn ₹2800 simple interest at 8% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
14. 14.The simple interest on ₹3000 for 2 years is ₹360. What is the rate per year? (a) 12% (b) 7% (c) 6% (d) 5%
15. 15.What is the simple interest on ₹2000 at 8% per year for 3 years? (a) ₹160 (b) ₹480 (c) ₹2480 (d) ₹640
16. 16.₹3500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1225 (b) ₹4725 (c) ₹4970 (d) ₹3745
17. 17.What is the simple interest on ₹2000 at 12% per year for 5 years? (a) ₹3200 (b) ₹240 (c) ₹1200 (d) ₹1440
18. 18.What is the simple interest on ₹9500 at 11% per year for 3 years? (a) ₹1045 (b) ₹12635 (c) ₹4180 (d) ₹3135
19. 19.₹4500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹5220 (b) ₹720 (c) ₹4680 (d) ₹5400
20. 20.In how many years will ₹7000 earn ₹2800 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
21. 21.In how many years will ₹3000 earn ₹480 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
22. 22.What is the simple interest on ₹4500 at 8% per year for 5 years? (a) ₹2160 (b) ₹6300 (c) ₹1800 (d) ₹360
23. 23.What is the simple interest on ₹9000 at 7% per year for 3 years? (a) ₹10890 (b) ₹2520 (c) ₹1890 (d) ₹630
24. 24.What is the simple interest on ₹5500 at 7% per year for 3 years? (a) ₹1540 (b) ₹385 (c) ₹1155 (d) ₹6655
25. 25.In how many years will ₹10000 earn ₹2800 simple interest at 7% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
26. 26.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹5175 (b) ₹810 (c) ₹135 (d) ₹675
27. 27.₹10000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1800 (b) ₹12700 (c) ₹10900 (d) ₹11800
28. 28.What is the simple interest on ₹3500 at 12% per year for 2 years? (a) ₹840 (b) ₹1260 (c) ₹4340 (d) ₹420
29. 29.What is the simple interest on ₹9500 at 5% per year for 2 years? (a) ₹10450 (b) ₹1425 (c) ₹475 (d) ₹950
30. 30.What is the simple interest on ₹8000 at 5% per year for 4 years? (a) ₹9600 (b) ₹400 (c) ₹2000 (d) ₹1600
31. 31.In how many years will ₹3500 earn ₹560 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
32. 32.What is the simple interest on ₹3500 at 9% per year for 3 years? (a) ₹315 (b) ₹4445 (c) ₹945 (d) ₹1260
33. 33.What is the simple interest on ₹3000 at 9% per year for 5 years? (a) ₹1350 (b) ₹4350 (c) ₹1620 (d) ₹270
34. 34.What is the simple interest on ₹2500 at 3% per year for 3 years? (a) ₹2725 (b) ₹300 (c) ₹225 (d) ₹75
35. 35.In how many years will ₹10000 earn ₹900 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
36. 36.The simple interest on ₹10000 for 2 years is ₹1000. What is the rate per year? (a) 6% (b) 4% (c) 10% (d) 5%
37. 37.The simple interest on ₹3500 for 3 years is ₹840. What is the rate per year? (a) 24% (b) 9% (c) 7% (d) 8%
38. 38.The simple interest on ₹7000 for 4 years is ₹1960. What is the rate per year? (a) 28% (b) 6% (c) 7% (d) 8%
39. 39.The simple interest on ₹9000 for 2 years is ₹540. What is the rate per year? (a) 4% (b) 2% (c) 6% (d) 3%
40. 40.₹8500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹11305 (b) ₹9435 (c) ₹12240 (d) ₹2805

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