Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 488 · 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.In how many years will ₹1500 earn ₹300 simple interest at 5% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
2. 2.What is the simple interest on ₹1000 at 4% per year for 2 years? (a) ₹1080 (b) ₹120 (c) ₹40 (d) ₹80
3. 3.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹680 (b) ₹9180 (c) ₹340 (d) ₹1020
4. 4.In how many years will ₹1000 earn ₹480 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
5. 5.What is the simple interest on ₹9000 at 11% per year for 3 years? (a) ₹11970 (b) ₹990 (c) ₹2970 (d) ₹3960
6. 6.The simple interest on ₹8500 for 2 years is ₹680. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 8%
7. 7.In how many years will ₹3500 earn ₹735 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
8. 8.In how many years will ₹7000 earn ₹2800 simple interest at 8% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
9. 9.The simple interest on ₹1500 for 3 years is ₹315. What is the rate per year? (a) 21% (b) 8% (c) 6% (d) 7%
10. 10.In how many years will ₹2000 earn ₹660 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
11. 11.What is the simple interest on ₹8000 at 2% per year for 4 years? (a) ₹160 (b) ₹640 (c) ₹8640 (d) ₹800
12. 12.What is the simple interest on ₹4000 at 6% per year for 2 years? (a) ₹480 (b) ₹720 (c) ₹4480 (d) ₹240
13. 13.In how many years will ₹6000 earn ₹360 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
14. 14.The simple interest on ₹10000 for 4 years is ₹4800. What is the rate per year? (a) 13% (b) 12% (c) 48% (d) 11%
15. 15.What is the simple interest on ₹1500 at 12% per year for 3 years? (a) ₹180 (b) ₹2040 (c) ₹720 (d) ₹540
16. 16.₹1000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹1480 (b) ₹1080 (c) ₹400 (d) ₹1400
17. 17.₹5500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹6985 (b) ₹6490 (c) ₹5995 (d) ₹990
18. 18.The simple interest on ₹2000 for 3 years is ₹660. What is the rate per year? (a) 11% (b) 33% (c) 10% (d) 12%
19. 19.The simple interest on ₹6500 for 5 years is ₹2600. What is the rate per year? (a) 9% (b) 40% (c) 8% (d) 7%
20. 20.₹9500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹10355 (b) ₹855 (c) ₹10640 (d) ₹9785
21. 21.₹3000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹3240 (c) ₹3120 (d) ₹3360
22. 22.What is the simple interest on ₹9500 at 10% per year for 2 years? (a) ₹2850 (b) ₹950 (c) ₹1900 (d) ₹11400
23. 23.What is the simple interest on ₹1500 at 10% per year for 4 years? (a) ₹2100 (b) ₹150 (c) ₹600 (d) ₹750
24. 24.In how many years will ₹6500 earn ₹390 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
25. 25.The simple interest on ₹8500 for 4 years is ₹1360. What is the rate per year? (a) 4% (b) 16% (c) 5% (d) 3%
26. 26.The simple interest on ₹10000 for 5 years is ₹4000. What is the rate per year? (a) 7% (b) 8% (c) 40% (d) 9%
27. 27.The simple interest on ₹8000 for 3 years is ₹2400. What is the rate per year? (a) 30% (b) 9% (c) 10% (d) 11%
28. 28.The simple interest on ₹9000 for 4 years is ₹2160. What is the rate per year? (a) 6% (b) 5% (c) 24% (d) 7%
29. 29.In how many years will ₹6500 earn ₹1755 simple interest at 9% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
30. 30.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
31. 31.₹10000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹800 (b) ₹11000 (c) ₹10800 (d) ₹10200
32. 32.₹5000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹6250 (b) ₹5250 (c) ₹1000 (d) ₹6000
33. 33.₹1000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1270 (b) ₹1090 (c) ₹1180 (d) ₹180
34. 34.In how many years will ₹2000 earn ₹500 simple interest at 5% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
35. 35.In how many years will ₹7500 earn ₹2100 simple interest at 7% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
36. 36.The simple interest on ₹1000 for 5 years is ₹250. What is the rate per year? (a) 5% (b) 25% (c) 4% (d) 6%
37. 37.₹7000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹840 (b) ₹8260 (c) ₹7840 (d) ₹7420
38. 38.What is the simple interest on ₹2000 at 9% per year for 2 years? (a) ₹2360 (b) ₹180 (c) ₹360 (d) ₹540
39. 39.In how many years will ₹9000 earn ₹900 simple interest at 2% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
40. 40.₹4500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹540 (b) ₹4770 (c) ₹5040 (d) ₹5310

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