Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 414 · 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 ₹210 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
2. 2.What is the simple interest on ₹6500 at 5% per year for 3 years? (a) ₹325 (b) ₹7475 (c) ₹1300 (d) ₹975
3. 3.What is the simple interest on ₹8000 at 3% per year for 2 years? (a) ₹240 (b) ₹480 (c) ₹720 (d) ₹8480
4. 4.₹1500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹1800 (c) ₹1950 (d) ₹1650
5. 5.What is the simple interest on ₹7000 at 5% per year for 3 years? (a) ₹350 (b) ₹1050 (c) ₹1400 (d) ₹8050
6. 6.₹3500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹945 (b) ₹3815 (c) ₹4445 (d) ₹4760
7. 7.The simple interest on ₹6500 for 2 years is ₹390. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 6%
8. 8.₹1000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1120 (b) ₹1360 (c) ₹360 (d) ₹1480
9. 9.The simple interest on ₹5500 for 5 years is ₹825. What is the rate per year? (a) 4% (b) 3% (c) 15% (d) 2%
10. 10.₹8500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹13175 (b) ₹9435 (c) ₹3740 (d) ₹12240
11. 11.What is the simple interest on ₹6500 at 6% per year for 5 years? (a) ₹390 (b) ₹2340 (c) ₹1950 (d) ₹8450
12. 12.The simple interest on ₹6000 for 2 years is ₹600. What is the rate per year? (a) 10% (b) 4% (c) 6% (d) 5%
13. 13.The simple interest on ₹9000 for 3 years is ₹2700. What is the rate per year? (a) 30% (b) 10% (c) 9% (d) 11%
14. 14.₹4500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹945 (b) ₹5760 (c) ₹5445 (d) ₹4815
15. 15.The simple interest on ₹8000 for 2 years is ₹640. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 8%
16. 16.The simple interest on ₹2000 for 4 years is ₹480. What is the rate per year? (a) 7% (b) 6% (c) 24% (d) 5%
17. 17.In how many years will ₹2000 earn ₹1000 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
18. 18.What is the simple interest on ₹9000 at 11% per year for 3 years? (a) ₹3960 (b) ₹11970 (c) ₹990 (d) ₹2970
19. 19.What is the simple interest on ₹8500 at 10% per year for 4 years? (a) ₹3400 (b) ₹11900 (c) ₹4250 (d) ₹850
20. 20.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹10640 (b) ₹1140 (c) ₹1425 (d) ₹285
21. 21.The simple interest on ₹5000 for 2 years is ₹700. What is the rate per year? (a) 6% (b) 8% (c) 14% (d) 7%
22. 22.₹10000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹10200 (b) ₹10600 (c) ₹600 (d) ₹10800
23. 23.In how many years will ₹7500 earn ₹900 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
24. 24.₹4500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹675 (b) ₹5310 (c) ₹4635 (d) ₹5175
25. 25.The simple interest on ₹8500 for 4 years is ₹2720. What is the rate per year? (a) 8% (b) 9% (c) 32% (d) 7%
26. 26.The simple interest on ₹5000 for 4 years is ₹1800. What is the rate per year? (a) 8% (b) 10% (c) 36% (d) 9%
27. 27.What is the simple interest on ₹1500 at 10% per year for 3 years? (a) ₹150 (b) ₹1950 (c) ₹600 (d) ₹450
28. 28.In how many years will ₹6000 earn ₹1800 simple interest at 10% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
29. 29.₹7500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹12900 (b) ₹4500 (c) ₹12000 (d) ₹8400
30. 30.What is the simple interest on ₹8000 at 9% per year for 2 years? (a) ₹2160 (b) ₹1440 (c) ₹9440 (d) ₹720
31. 31.₹1000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1400 (b) ₹1100 (c) ₹1300 (d) ₹300
32. 32.The simple interest on ₹8000 for 5 years is ₹3200. What is the rate per year? (a) 8% (b) 9% (c) 40% (d) 7%
33. 33.₹2500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹450 (b) ₹2725 (c) ₹2950 (d) ₹3175
34. 34.₹9500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹9975 (b) ₹10450 (c) ₹10925 (d) ₹950
35. 35.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
36. 36.The simple interest on ₹8500 for 3 years is ₹1020. What is the rate per year? (a) 4% (b) 12% (c) 5% (d) 3%
37. 37.In how many years will ₹6000 earn ₹240 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
38. 38.The simple interest on ₹1000 for 2 years is ₹180. What is the rate per year? (a) 8% (b) 9% (c) 18% (d) 10%
39. 39.What is the simple interest on ₹9000 at 9% per year for 2 years? (a) ₹1620 (b) ₹2430 (c) ₹10620 (d) ₹810
40. 40.What is the simple interest on ₹4500 at 12% per year for 3 years? (a) ₹6120 (b) ₹540 (c) ₹2160 (d) ₹1620

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad