Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 327 · 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 11% per year for 4 years? (a) ₹3740 (b) ₹4675 (c) ₹935 (d) ₹12240
2. 2.The simple interest on ₹7500 for 4 years is ₹900. What is the rate per year? (a) 2% (b) 12% (c) 4% (d) 3%
3. 3.In how many years will ₹6500 earn ₹975 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
4. 4.₹10000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹11000 (b) ₹13000 (c) ₹3000 (d) ₹14000
5. 5.What is the simple interest on ₹9500 at 9% per year for 3 years? (a) ₹855 (b) ₹2565 (c) ₹3420 (d) ₹12065
6. 6.The simple interest on ₹8500 for 2 years is ₹680. What is the rate per year? (a) 4% (b) 3% (c) 8% (d) 5%
7. 7.In how many years will ₹6000 earn ₹840 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
8. 8.In how many years will ₹6500 earn ₹3250 simple interest at 10% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
9. 9.In how many years will ₹5000 earn ₹700 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
10. 10.In how many years will ₹4000 earn ₹1600 simple interest at 8% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
11. 11.What is the simple interest on ₹3500 at 3% per year for 4 years? (a) ₹105 (b) ₹3920 (c) ₹525 (d) ₹420
12. 12.In how many years will ₹8000 earn ₹480 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
13. 13.₹3000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹3240 (b) ₹3720 (c) ₹720 (d) ₹3960
14. 14.The simple interest on ₹10000 for 3 years is ₹3300. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 33%
15. 15.₹5000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹5450 (b) ₹6350 (c) ₹5900 (d) ₹900
16. 16.What is the simple interest on ₹10000 at 3% per year for 5 years? (a) ₹1500 (b) ₹300 (c) ₹11500 (d) ₹1800
17. 17.What is the simple interest on ₹6000 at 10% per year for 5 years? (a) ₹3600 (b) ₹9000 (c) ₹3000 (d) ₹600
18. 18.In how many years will ₹5000 earn ₹800 simple interest at 8% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
19. 19.What is the simple interest on ₹3500 at 8% per year for 5 years? (a) ₹1400 (b) ₹280 (c) ₹4900 (d) ₹1680
20. 20.In how many years will ₹6500 earn ₹780 simple interest at 4% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
21. 21.In how many years will ₹7000 earn ₹840 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
22. 22.The simple interest on ₹10000 for 5 years is ₹5500. What is the rate per year? (a) 12% (b) 55% (c) 11% (d) 10%
23. 23.What is the simple interest on ₹1000 at 10% per year for 3 years? (a) ₹300 (b) ₹1300 (c) ₹100 (d) ₹400
24. 24.What is the simple interest on ₹2000 at 3% per year for 5 years? (a) ₹2300 (b) ₹300 (c) ₹60 (d) ₹360
25. 25.In how many years will ₹2000 earn ₹120 simple interest at 3% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
26. 26.What is the simple interest on ₹3500 at 9% per year for 2 years? (a) ₹315 (b) ₹945 (c) ₹630 (d) ₹4130
27. 27.In how many years will ₹3500 earn ₹630 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
28. 28.₹1000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹1120 (b) ₹1040 (c) ₹1080 (d) ₹80
29. 29.The simple interest on ₹6500 for 3 years is ₹390. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 6%
30. 30.The simple interest on ₹1500 for 4 years is ₹600. What is the rate per year? (a) 40% (b) 10% (c) 11% (d) 9%
31. 31.The simple interest on ₹1000 for 2 years is ₹40. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 1%
32. 32.What is the simple interest on ₹7500 at 12% per year for 4 years? (a) ₹11100 (b) ₹3600 (c) ₹4500 (d) ₹900
33. 33.₹1500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹300 (b) ₹1875 (c) ₹1575 (d) ₹1800
34. 34.The simple interest on ₹2000 for 2 years is ₹360. What is the rate per year? (a) 10% (b) 18% (c) 9% (d) 8%
35. 35.What is the simple interest on ₹3500 at 11% per year for 5 years? (a) ₹1925 (b) ₹2310 (c) ₹385 (d) ₹5425
36. 36.In how many years will ₹10000 earn ₹1000 simple interest at 5% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
37. 37.The simple interest on ₹8500 for 3 years is ₹2040. What is the rate per year? (a) 9% (b) 8% (c) 7% (d) 24%
38. 38.In how many years will ₹7000 earn ₹980 simple interest at 7% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
39. 39.The simple interest on ₹1500 for 4 years is ₹420. What is the rate per year? (a) 7% (b) 28% (c) 8% (d) 6%
40. 40.₹1000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹350 (b) ₹1070 (c) ₹1420 (d) ₹1350

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