Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 737 · 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 ₹9500 for 3 years is ₹855. What is the rate per year? (a) 9% (b) 3% (c) 2% (d) 4%
2. 2.In how many years will ₹7000 earn ₹560 simple interest at 2% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
3. 3.What is the simple interest on ₹7000 at 7% per year for 2 years? (a) ₹490 (b) ₹980 (c) ₹1470 (d) ₹7980
4. 4.The simple interest on ₹4500 for 2 years is ₹270. What is the rate per year? (a) 4% (b) 6% (c) 2% (d) 3%
5. 5.In how many years will ₹5500 earn ₹825 simple interest at 3% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
6. 6.In how many years will ₹10000 earn ₹2200 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
7. 7.What is the simple interest on ₹3000 at 12% per year for 3 years? (a) ₹4080 (b) ₹360 (c) ₹1080 (d) ₹1440
8. 8.The simple interest on ₹8000 for 2 years is ₹640. What is the rate per year? (a) 3% (b) 5% (c) 8% (d) 4%
9. 9.The simple interest on ₹8500 for 5 years is ₹1275. What is the rate per year? (a) 2% (b) 15% (c) 4% (d) 3%
10. 10.₹9000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹9540 (b) ₹9360 (c) ₹9180 (d) ₹360
11. 11.In how many years will ₹8000 earn ₹1680 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
12. 12.In how many years will ₹7000 earn ₹1750 simple interest at 5% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
13. 13.What is the simple interest on ₹4500 at 6% per year for 4 years? (a) ₹270 (b) ₹1350 (c) ₹1080 (d) ₹5580
14. 14.The simple interest on ₹5500 for 4 years is ₹660. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 12%
15. 15.What is the simple interest on ₹1500 at 4% per year for 3 years? (a) ₹180 (b) ₹240 (c) ₹60 (d) ₹1680
16. 16.What is the simple interest on ₹9000 at 8% per year for 4 years? (a) ₹3600 (b) ₹720 (c) ₹11880 (d) ₹2880
17. 17.₹5000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹8300 (b) ₹5550 (c) ₹2750 (d) ₹7750
18. 18.₹2000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹480 (b) ₹2600 (c) ₹2480 (d) ₹2120
19. 19.₹6500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹6890 (b) ₹780 (c) ₹7280 (d) ₹7670
20. 20.What is the simple interest on ₹8500 at 2% per year for 2 years? (a) ₹510 (b) ₹340 (c) ₹8840 (d) ₹170
21. 21.What is the simple interest on ₹2000 at 4% per year for 4 years? (a) ₹320 (b) ₹80 (c) ₹2320 (d) ₹400
22. 22.In how many years will ₹7500 earn ₹900 simple interest at 3% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
23. 23.The simple interest on ₹1000 for 2 years is ₹120. What is the rate per year? (a) 12% (b) 5% (c) 7% (d) 6%
24. 24.The simple interest on ₹4000 for 3 years is ₹1320. What is the rate per year? (a) 11% (b) 33% (c) 12% (d) 10%
25. 25.In how many years will ₹9000 earn ₹2700 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
26. 26.₹4000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹1760 (b) ₹6200 (c) ₹5760 (d) ₹4440
27. 27.In how many years will ₹7000 earn ₹1890 simple interest at 9% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
28. 28.The simple interest on ₹2500 for 5 years is ₹625. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 25%
29. 29.What is the simple interest on ₹9500 at 2% per year for 5 years? (a) ₹190 (b) ₹10450 (c) ₹950 (d) ₹1140
30. 30.The simple interest on ₹7500 for 5 years is ₹3750. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 50%
31. 31.What is the simple interest on ₹10000 at 3% per year for 5 years? (a) ₹11500 (b) ₹1500 (c) ₹1800 (d) ₹300
32. 32.What is the simple interest on ₹8500 at 2% per year for 4 years? (a) ₹9180 (b) ₹680 (c) ₹170 (d) ₹850
33. 33.What is the simple interest on ₹2500 at 10% per year for 4 years? (a) ₹1000 (b) ₹250 (c) ₹3500 (d) ₹1250
34. 34.What is the simple interest on ₹1000 at 9% per year for 2 years? (a) ₹90 (b) ₹1180 (c) ₹180 (d) ₹270
35. 35.₹2500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2650 (b) ₹2550 (c) ₹2600 (d) ₹100
36. 36.In how many years will ₹2500 earn ₹300 simple interest at 6% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
37. 37.₹2500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹2725 (b) ₹2650 (c) ₹2575 (d) ₹150
38. 38.The simple interest on ₹7500 for 3 years is ₹900. What is the rate per year? (a) 5% (b) 3% (c) 12% (d) 4%
39. 39.What is the simple interest on ₹9500 at 5% per year for 3 years? (a) ₹10925 (b) ₹1425 (c) ₹1900 (d) ₹475
40. 40.In how many years will ₹4500 earn ₹270 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years

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