Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 344 · 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 ₹1000 for 3 years is ₹150. What is the rate per year? (a) 6% (b) 15% (c) 5% (d) 4%
2. 2.The simple interest on ₹7000 for 2 years is ₹1400. What is the rate per year? (a) 9% (b) 20% (c) 11% (d) 10%
3. 3.What is the simple interest on ₹6000 at 3% per year for 2 years? (a) ₹540 (b) ₹180 (c) ₹360 (d) ₹6360
4. 4.What is the simple interest on ₹7000 at 3% per year for 5 years? (a) ₹1260 (b) ₹8050 (c) ₹1050 (d) ₹210
5. 5.The simple interest on ₹8000 for 5 years is ₹2000. What is the rate per year? (a) 25% (b) 4% (c) 5% (d) 6%
6. 6.What is the simple interest on ₹6500 at 12% per year for 2 years? (a) ₹780 (b) ₹8060 (c) ₹1560 (d) ₹2340
7. 7.In how many years will ₹6500 earn ₹2340 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
8. 8.The simple interest on ₹8500 for 2 years is ₹510. What is the rate per year? (a) 6% (b) 2% (c) 4% (d) 3%
9. 9.₹4000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹4080 (b) ₹4160 (c) ₹4240 (d) ₹160
10. 10.What is the simple interest on ₹5500 at 3% per year for 4 years? (a) ₹165 (b) ₹660 (c) ₹6160 (d) ₹825
11. 11.In how many years will ₹2500 earn ₹600 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
12. 12.What is the simple interest on ₹9000 at 5% per year for 3 years? (a) ₹10350 (b) ₹450 (c) ₹1350 (d) ₹1800
13. 13.In how many years will ₹8000 earn ₹1200 simple interest at 5% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
14. 14.₹6500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹6630 (b) ₹650 (c) ₹7280 (d) ₹7150
15. 15.The simple interest on ₹8500 for 3 years is ₹765. What is the rate per year? (a) 3% (b) 2% (c) 9% (d) 4%
16. 16.In how many years will ₹1500 earn ₹495 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
17. 17.In how many years will ₹9500 earn ₹950 simple interest at 2% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
18. 18.What is the simple interest on ₹3000 at 12% per year for 2 years? (a) ₹720 (b) ₹360 (c) ₹1080 (d) ₹3720
19. 19.What is the simple interest on ₹8000 at 9% per year for 4 years? (a) ₹10880 (b) ₹3600 (c) ₹720 (d) ₹2880
20. 20.The simple interest on ₹4000 for 3 years is ₹720. What is the rate per year? (a) 7% (b) 18% (c) 6% (d) 5%
21. 21.₹8000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹9440 (b) ₹8480 (c) ₹9920 (d) ₹1440
22. 22.The simple interest on ₹10000 for 4 years is ₹800. What is the rate per year? (a) 8% (b) 1% (c) 2% (d) 3%
23. 23.The simple interest on ₹9500 for 2 years is ₹950. What is the rate per year? (a) 4% (b) 6% (c) 10% (d) 5%
24. 24.The simple interest on ₹2500 for 4 years is ₹1100. What is the rate per year? (a) 11% (b) 44% (c) 10% (d) 12%
25. 25.The simple interest on ₹6500 for 2 years is ₹1430. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 22%
26. 26.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹400 (b) ₹200 (c) ₹600 (d) ₹10400
27. 27.In how many years will ₹2000 earn ₹280 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
28. 28.In how many years will ₹3000 earn ₹1440 simple interest at 12% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
29. 29.₹6000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹7200 (b) ₹6240 (c) ₹960 (d) ₹6960
30. 30.What is the simple interest on ₹7500 at 8% per year for 4 years? (a) ₹600 (b) ₹3000 (c) ₹9900 (d) ₹2400
31. 31.What is the simple interest on ₹3500 at 9% per year for 5 years? (a) ₹1890 (b) ₹1575 (c) ₹315 (d) ₹5075
32. 32.What is the simple interest on ₹10000 at 11% per year for 3 years? (a) ₹3300 (b) ₹13300 (c) ₹4400 (d) ₹1100
33. 33.In how many years will ₹9500 earn ₹4275 simple interest at 9% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
34. 34.In how many years will ₹4500 earn ₹180 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
35. 35.What is the simple interest on ₹10000 at 3% per year for 5 years? (a) ₹11500 (b) ₹1800 (c) ₹300 (d) ₹1500
36. 36.In how many years will ₹4500 earn ₹1350 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
37. 37.What is the simple interest on ₹2000 at 9% per year for 5 years? (a) ₹180 (b) ₹900 (c) ₹1080 (d) ₹2900
38. 38.In how many years will ₹7000 earn ₹2100 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
39. 39.The simple interest on ₹6000 for 4 years is ₹1920. What is the rate per year? (a) 7% (b) 32% (c) 9% (d) 8%
40. 40.In how many years will ₹2000 earn ₹400 simple interest at 4% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years

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