Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 650 · 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 ₹8500 earn ₹1020 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
2. 2.In how many years will ₹9000 earn ₹720 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
3. 3.₹2500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹2675 (b) ₹2850 (c) ₹3025 (d) ₹350
4. 4.₹9000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹12600 (b) ₹9720 (c) ₹11880 (d) ₹2880
5. 5.What is the simple interest on ₹4500 at 11% per year for 3 years? (a) ₹495 (b) ₹1980 (c) ₹5985 (d) ₹1485
6. 6.The simple interest on ₹2500 for 4 years is ₹300. What is the rate per year? (a) 2% (b) 12% (c) 3% (d) 4%
7. 7.₹7000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹10080 (b) ₹10850 (c) ₹3080 (d) ₹7770
8. 8.In how many years will ₹1000 earn ₹320 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
9. 9.The simple interest on ₹6500 for 2 years is ₹390. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 6%
10. 10.What is the simple interest on ₹9000 at 12% per year for 4 years? (a) ₹13320 (b) ₹4320 (c) ₹1080 (d) ₹5400
11. 11.₹10000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹13600 (b) ₹3600 (c) ₹11200 (d) ₹14800
12. 12.In how many years will ₹7500 earn ₹1350 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
13. 13.What is the simple interest on ₹4000 at 2% per year for 2 years? (a) ₹4160 (b) ₹240 (c) ₹80 (d) ₹160
14. 14.What is the simple interest on ₹8500 at 12% per year for 2 years? (a) ₹1020 (b) ₹10540 (c) ₹2040 (d) ₹3060
15. 15.₹5500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹8525 (b) ₹3025 (c) ₹6105 (d) ₹9130
16. 16.In how many years will ₹2500 earn ₹400 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
17. 17.In how many years will ₹1000 earn ₹240 simple interest at 8% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
18. 18.In how many years will ₹9500 earn ₹2850 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
19. 19.What is the simple interest on ₹2000 at 12% per year for 5 years? (a) ₹240 (b) ₹3200 (c) ₹1440 (d) ₹1200
20. 20.In how many years will ₹1500 earn ₹375 simple interest at 5% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
21. 21.The simple interest on ₹8500 for 3 years is ₹1275. What is the rate per year? (a) 4% (b) 15% (c) 5% (d) 6%
22. 22.₹7500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹7950 (b) ₹9300 (c) ₹8850 (d) ₹1350
23. 23.What is the simple interest on ₹8000 at 10% per year for 5 years? (a) ₹4000 (b) ₹12000 (c) ₹4800 (d) ₹800
24. 24.What is the simple interest on ₹10000 at 3% per year for 2 years? (a) ₹10600 (b) ₹900 (c) ₹600 (d) ₹300
25. 25.What is the simple interest on ₹5500 at 3% per year for 3 years? (a) ₹495 (b) ₹165 (c) ₹660 (d) ₹5995
26. 26.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹50 (b) ₹1100 (c) ₹100 (d) ₹150
27. 27.₹1000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1020 (b) ₹1100 (c) ₹100 (d) ₹1120
28. 28.In how many years will ₹9500 earn ₹1520 simple interest at 4% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
29. 29.In how many years will ₹10000 earn ₹400 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
30. 30.What is the simple interest on ₹9000 at 9% per year for 2 years? (a) ₹10620 (b) ₹2430 (c) ₹1620 (d) ₹810
31. 31.In how many years will ₹2500 earn ₹300 simple interest at 6% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
32. 32.The simple interest on ₹2500 for 3 years is ₹750. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 30%
33. 33.₹4500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹6975 (b) ₹4995 (c) ₹1980 (d) ₹6480
34. 34.The simple interest on ₹4500 for 5 years is ₹2250. What is the rate per year? (a) 9% (b) 50% (c) 11% (d) 10%
35. 35.In how many years will ₹6500 earn ₹2080 simple interest at 8% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
36. 36.The simple interest on ₹1500 for 5 years is ₹450. What is the rate per year? (a) 5% (b) 7% (c) 30% (d) 6%
37. 37.What is the simple interest on ₹9000 at 12% per year for 2 years? (a) ₹1080 (b) ₹11160 (c) ₹2160 (d) ₹3240
38. 38.The simple interest on ₹1500 for 5 years is ₹900. What is the rate per year? (a) 13% (b) 60% (c) 11% (d) 12%
39. 39.₹1000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1020 (b) ₹1100 (c) ₹80 (d) ₹1080
40. 40.What is the simple interest on ₹8500 at 2% per year for 4 years? (a) ₹850 (b) ₹170 (c) ₹9180 (d) ₹680

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