Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 852 · 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 ₹2500 earn ₹150 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
2. 2.₹3000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹300 (b) ₹3360 (c) ₹3300 (d) ₹3060
3. 3.The simple interest on ₹4000 for 2 years is ₹160. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 4%
4. 4.₹7500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹9975 (b) ₹8325 (c) ₹10800 (d) ₹2475
5. 5.In how many years will ₹6500 earn ₹1625 simple interest at 5% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
6. 6.₹3500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹4060 (b) ₹560 (c) ₹3640 (d) ₹4200
7. 7.The simple interest on ₹1000 for 5 years is ₹600. What is the rate per year? (a) 11% (b) 13% (c) 60% (d) 12%
8. 8.The simple interest on ₹10000 for 4 years is ₹2400. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 24%
9. 9.In how many years will ₹2500 earn ₹400 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
10. 10.In how many years will ₹10000 earn ₹900 simple interest at 3% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
11. 11.What is the simple interest on ₹9000 at 4% per year for 4 years? (a) ₹360 (b) ₹10440 (c) ₹1800 (d) ₹1440
12. 12.The simple interest on ₹7000 for 2 years is ₹700. What is the rate per year? (a) 10% (b) 5% (c) 6% (d) 4%
13. 13.The simple interest on ₹2000 for 2 years is ₹80. What is the rate per year? (a) 3% (b) 4% (c) 1% (d) 2%
14. 14.The simple interest on ₹2000 for 2 years is ₹160. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 8%
15. 15.₹7500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹900 (b) ₹8700 (c) ₹7800 (d) ₹8400
16. 16.₹10000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4000 (b) ₹14000 (c) ₹10800 (d) ₹14800
17. 17.What is the simple interest on ₹2500 at 6% per year for 3 years? (a) ₹150 (b) ₹450 (c) ₹2950 (d) ₹600
18. 18.The simple interest on ₹1000 for 5 years is ₹200. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 3%
19. 19.What is the simple interest on ₹8000 at 9% per year for 4 years? (a) ₹3600 (b) ₹2880 (c) ₹720 (d) ₹10880
20. 20.The simple interest on ₹7000 for 2 years is ₹1680. What is the rate per year? (a) 24% (b) 11% (c) 12% (d) 13%
21. 21.In how many years will ₹3000 earn ₹1800 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
22. 22.The simple interest on ₹2500 for 2 years is ₹300. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 12%
23. 23.The simple interest on ₹3000 for 3 years is ₹1080. What is the rate per year? (a) 36% (b) 12% (c) 13% (d) 11%
24. 24.₹8500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹9265 (b) ₹765 (c) ₹9520 (d) ₹8755
25. 25.What is the simple interest on ₹4500 at 4% per year for 2 years? (a) ₹360 (b) ₹180 (c) ₹4860 (d) ₹540
26. 26.The simple interest on ₹2500 for 4 years is ₹1000. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 40%
27. 27.What is the simple interest on ₹6000 at 2% per year for 3 years? (a) ₹120 (b) ₹6360 (c) ₹360 (d) ₹480
28. 28.₹8000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹11840 (b) ₹10880 (c) ₹2880 (d) ₹8960
29. 29.In how many years will ₹1000 earn ₹360 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
30. 30.In how many years will ₹4500 earn ₹675 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
31. 31.₹4500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹990 (b) ₹4995 (c) ₹5490 (d) ₹5985
32. 32.What is the simple interest on ₹6500 at 5% per year for 5 years? (a) ₹1625 (b) ₹8125 (c) ₹325 (d) ₹1950
33. 33.₹5500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹7150 (b) ₹6050 (c) ₹6600 (d) ₹1100
34. 34.What is the simple interest on ₹9500 at 11% per year for 3 years? (a) ₹12635 (b) ₹3135 (c) ₹4180 (d) ₹1045
35. 35.The simple interest on ₹3000 for 4 years is ₹480. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 16%
36. 36.₹2500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2550 (b) ₹2800 (c) ₹250 (d) ₹2750
37. 37.What is the simple interest on ₹7000 at 6% per year for 2 years? (a) ₹840 (b) ₹420 (c) ₹7840 (d) ₹1260
38. 38.The simple interest on ₹1000 for 2 years is ₹200. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 20%
39. 39.What is the simple interest on ₹8000 at 7% per year for 3 years? (a) ₹9680 (b) ₹1680 (c) ₹2240 (d) ₹560
40. 40.₹10000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹2000 (b) ₹11000 (c) ₹13000 (d) ₹12000

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