Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 605 · 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.₹8000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2640 (b) ₹11520 (c) ₹10640 (d) ₹8880
2. 2.What is the simple interest on ₹4000 at 9% per year for 3 years? (a) ₹1080 (b) ₹5080 (c) ₹360 (d) ₹1440
3. 3.The simple interest on ₹5000 for 4 years is ₹1800. What is the rate per year? (a) 9% (b) 36% (c) 10% (d) 8%
4. 4.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹75 (b) ₹2650 (c) ₹225 (d) ₹150
5. 5.₹10000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹10600 (b) ₹10200 (c) ₹10400 (d) ₹400
6. 6.The simple interest on ₹3000 for 5 years is ₹1800. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 60%
7. 7.What is the simple interest on ₹1000 at 3% per year for 2 years? (a) ₹60 (b) ₹1060 (c) ₹90 (d) ₹30
8. 8.₹8000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹8160 (b) ₹8800 (c) ₹800 (d) ₹8960
9. 9.In how many years will ₹8500 earn ₹510 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
10. 10.The simple interest on ₹4000 for 4 years is ₹1760. What is the rate per year? (a) 44% (b) 10% (c) 11% (d) 12%
11. 11.The simple interest on ₹9500 for 3 years is ₹2280. What is the rate per year? (a) 24% (b) 7% (c) 9% (d) 8%
12. 12.What is the simple interest on ₹8500 at 11% per year for 5 years? (a) ₹935 (b) ₹4675 (c) ₹13175 (d) ₹5610
13. 13.₹2000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹160 (b) ₹2160 (c) ₹2040 (d) ₹2200
14. 14.What is the simple interest on ₹3500 at 11% per year for 5 years? (a) ₹385 (b) ₹2310 (c) ₹1925 (d) ₹5425
15. 15.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
16. 16.The simple interest on ₹8500 for 5 years is ₹850. What is the rate per year? (a) 3% (b) 10% (c) 1% (d) 2%
17. 17.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹675 (b) ₹450 (c) ₹225 (d) ₹2950
18. 18.The simple interest on ₹10000 for 5 years is ₹6000. What is the rate per year? (a) 12% (b) 11% (c) 60% (d) 13%
19. 19.In how many years will ₹9500 earn ₹1520 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
20. 20.The simple interest on ₹10000 for 4 years is ₹2800. What is the rate per year? (a) 7% (b) 6% (c) 28% (d) 8%
21. 21.₹7000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2100 (b) ₹7420 (c) ₹9520 (d) ₹9100
22. 22.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹240 (b) ₹3240 (c) ₹360 (d) ₹120
23. 23.In how many years will ₹3000 earn ₹600 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
24. 24.In how many years will ₹1000 earn ₹150 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
25. 25.In how many years will ₹8000 earn ₹4400 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
26. 26.₹5500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹6820 (b) ₹6490 (c) ₹990 (d) ₹5830
27. 27.₹8000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹8640 (b) ₹11200 (c) ₹10560 (d) ₹2560
28. 28.In how many years will ₹1500 earn ₹375 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
29. 29.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹5175 (b) ₹675 (c) ₹810 (d) ₹135
30. 30.The simple interest on ₹7500 for 5 years is ₹4500. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 60%
31. 31.What is the simple interest on ₹2000 at 12% per year for 2 years? (a) ₹2480 (b) ₹480 (c) ₹720 (d) ₹240
32. 32.₹8500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹12325 (b) ₹3060 (c) ₹9265 (d) ₹11560
33. 33.₹2000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹200 (b) ₹2200 (c) ₹2240 (d) ₹2040
34. 34.What is the simple interest on ₹3500 at 12% per year for 3 years? (a) ₹420 (b) ₹1260 (c) ₹4760 (d) ₹1680
35. 35.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹45 (b) ₹180 (c) ₹1635 (d) ₹135
36. 36.₹8500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹8925 (b) ₹10625 (c) ₹10200 (d) ₹1700
37. 37.What is the simple interest on ₹6000 at 2% per year for 2 years? (a) ₹240 (b) ₹360 (c) ₹120 (d) ₹6240
38. 38.In how many years will ₹6000 earn ₹720 simple interest at 4% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
39. 39.₹7500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹7950 (b) ₹450 (c) ₹8175 (d) ₹7725
40. 40.The simple interest on ₹4000 for 4 years is ₹1600. What is the rate per year? (a) 9% (b) 11% (c) 40% (d) 10%

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