Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 343 · 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.What is the simple interest on ₹8500 at 12% per year for 3 years? (a) ₹1020 (b) ₹3060 (c) ₹11560 (d) ₹4080
2. 2.What is the simple interest on ₹6000 at 6% per year for 2 years? (a) ₹360 (b) ₹6720 (c) ₹720 (d) ₹1080
3. 3.₹5000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹7400 (b) ₹8000 (c) ₹2400 (d) ₹5600
4. 4.In how many years will ₹5500 earn ₹220 simple interest at 2% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
5. 5.In how many years will ₹8000 earn ₹1920 simple interest at 6% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
6. 6.In how many years will ₹1000 earn ₹300 simple interest at 6% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
7. 7.What is the simple interest on ₹5000 at 2% per year for 4 years? (a) ₹5400 (b) ₹500 (c) ₹100 (d) ₹400
8. 8.The simple interest on ₹1000 for 2 years is ₹200. What is the rate per year? (a) 20% (b) 11% (c) 10% (d) 9%
9. 9.What is the simple interest on ₹5500 at 5% per year for 3 years? (a) ₹1100 (b) ₹6325 (c) ₹275 (d) ₹825
10. 10.The simple interest on ₹1500 for 3 years is ₹135. What is the rate per year? (a) 2% (b) 9% (c) 3% (d) 4%
11. 11.₹8000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹10640 (b) ₹8880 (c) ₹1760 (d) ₹9760
12. 12.In how many years will ₹3000 earn ₹360 simple interest at 6% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
13. 13.In how many years will ₹8500 earn ₹5100 simple interest at 12% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
14. 14.The simple interest on ₹3000 for 2 years is ₹480. What is the rate per year? (a) 7% (b) 9% (c) 16% (d) 8%
15. 15.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
16. 16.₹8500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1360 (b) ₹9180 (c) ₹9860 (d) ₹10540
17. 17.What is the simple interest on ₹3000 at 9% per year for 4 years? (a) ₹1350 (b) ₹1080 (c) ₹4080 (d) ₹270
18. 18.What is the simple interest on ₹9000 at 12% per year for 4 years? (a) ₹5400 (b) ₹1080 (c) ₹13320 (d) ₹4320
19. 19.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹160 (b) ₹80 (c) ₹240 (d) ₹2160
20. 20.In how many years will ₹2000 earn ₹400 simple interest at 4% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
21. 21.What is the simple interest on ₹3000 at 3% per year for 4 years? (a) ₹3360 (b) ₹90 (c) ₹450 (d) ₹360
22. 22.The simple interest on ₹7500 for 5 years is ₹1500. What is the rate per year? (a) 5% (b) 20% (c) 3% (d) 4%
23. 23.The simple interest on ₹5500 for 4 years is ₹2200. What is the rate per year? (a) 40% (b) 10% (c) 11% (d) 9%
24. 24.The simple interest on ₹3500 for 2 years is ₹700. What is the rate per year? (a) 9% (b) 20% (c) 11% (d) 10%
25. 25.The simple interest on ₹1500 for 3 years is ₹90. What is the rate per year? (a) 1% (b) 6% (c) 2% (d) 3%
26. 26.What is the simple interest on ₹2500 at 10% per year for 3 years? (a) ₹250 (b) ₹750 (c) ₹3250 (d) ₹1000
27. 27.In how many years will ₹4500 earn ₹990 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
28. 28.In how many years will ₹8000 earn ₹1600 simple interest at 4% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
29. 29.₹2500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹375 (b) ₹3000 (c) ₹2875 (d) ₹2625
30. 30.What is the simple interest on ₹2500 at 7% per year for 4 years? (a) ₹175 (b) ₹700 (c) ₹875 (d) ₹3200
31. 31.The simple interest on ₹6000 for 4 years is ₹960. What is the rate per year? (a) 5% (b) 16% (c) 4% (d) 3%
32. 32.What is the simple interest on ₹3000 at 5% per year for 4 years? (a) ₹3600 (b) ₹150 (c) ₹750 (d) ₹600
33. 33.₹4000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹5440 (b) ₹4480 (c) ₹4960 (d) ₹960
34. 34.₹5500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2475 (b) ₹5995 (c) ₹8470 (d) ₹7975
35. 35.The simple interest on ₹3500 for 4 years is ₹560. What is the rate per year? (a) 16% (b) 3% (c) 4% (d) 5%
36. 36.₹6000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹6540 (b) ₹1620 (c) ₹7620 (d) ₹8160
37. 37.In how many years will ₹6000 earn ₹720 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
38. 38.What is the simple interest on ₹3500 at 9% per year for 2 years? (a) ₹945 (b) ₹315 (c) ₹4130 (d) ₹630
39. 39.The simple interest on ₹9000 for 5 years is ₹1800. What is the rate per year? (a) 3% (b) 20% (c) 4% (d) 5%
40. 40.What is the simple interest on ₹3500 at 4% per year for 3 years? (a) ₹140 (b) ₹560 (c) ₹420 (d) ₹3920

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