Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 522 · 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 ₹7500 at 4% per year for 4 years? (a) ₹300 (b) ₹1500 (c) ₹8700 (d) ₹1200
2. 2.What is the simple interest on ₹1500 at 11% per year for 3 years? (a) ₹165 (b) ₹495 (c) ₹1995 (d) ₹660
3. 3.The simple interest on ₹6000 for 2 years is ₹240. What is the rate per year? (a) 4% (b) 1% (c) 3% (d) 2%
4. 4.In how many years will ₹4000 earn ₹2000 simple interest at 10% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
5. 5.₹6000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹7440 (b) ₹1080 (c) ₹7080 (d) ₹6360
6. 6.What is the simple interest on ₹8500 at 7% per year for 4 years? (a) ₹2380 (b) ₹595 (c) ₹2975 (d) ₹10880
7. 7.What is the simple interest on ₹9500 at 10% per year for 4 years? (a) ₹3800 (b) ₹4750 (c) ₹13300 (d) ₹950
8. 8.In how many years will ₹1000 earn ₹120 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
9. 9.What is the simple interest on ₹2500 at 8% per year for 2 years? (a) ₹200 (b) ₹2900 (c) ₹400 (d) ₹600
10. 10.In how many years will ₹3000 earn ₹990 simple interest at 11% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
11. 11.What is the simple interest on ₹7500 at 4% per year for 5 years? (a) ₹1500 (b) ₹1800 (c) ₹9000 (d) ₹300
12. 12.₹7000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹10850 (b) ₹7770 (c) ₹10080 (d) ₹3080
13. 13.The simple interest on ₹1500 for 3 years is ₹225. What is the rate per year? (a) 15% (b) 6% (c) 4% (d) 5%
14. 14.In how many years will ₹8500 earn ₹850 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
15. 15.What is the simple interest on ₹6000 at 8% per year for 2 years? (a) ₹6960 (b) ₹480 (c) ₹960 (d) ₹1440
16. 16.The simple interest on ₹8000 for 4 years is ₹2240. What is the rate per year? (a) 28% (b) 8% (c) 6% (d) 7%
17. 17.In how many years will ₹2000 earn ₹960 simple interest at 12% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
18. 18.₹7000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1260 (b) ₹8890 (c) ₹8260 (d) ₹7630
19. 19.What is the simple interest on ₹2500 at 12% per year for 4 years? (a) ₹1500 (b) ₹3700 (c) ₹1200 (d) ₹300
20. 20.In how many years will ₹8500 earn ₹1530 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
21. 21.What is the simple interest on ₹1000 at 8% per year for 4 years? (a) ₹400 (b) ₹80 (c) ₹1320 (d) ₹320
22. 22.In how many years will ₹2000 earn ₹360 simple interest at 9% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
23. 23.₹6500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6760 (b) ₹6630 (c) ₹260 (d) ₹6890
24. 24.In how many years will ₹3000 earn ₹1080 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
25. 25.The simple interest on ₹2000 for 4 years is ₹240. What is the rate per year? (a) 4% (b) 2% (c) 12% (d) 3%
26. 26.What is the simple interest on ₹2000 at 2% per year for 3 years? (a) ₹2120 (b) ₹120 (c) ₹160 (d) ₹40
27. 27.₹6000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹6300 (b) ₹1500 (c) ₹7500 (d) ₹7800
28. 28.In how many years will ₹9500 earn ₹1425 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
29. 29.₹6500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹7540 (b) ₹8060 (c) ₹7020 (d) ₹1040
30. 30.₹8500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹9520 (b) ₹9180 (c) ₹680 (d) ₹8840
31. 31.The simple interest on ₹6000 for 3 years is ₹720. What is the rate per year? (a) 4% (b) 5% (c) 12% (d) 3%
32. 32.₹9000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹10620 (b) ₹1080 (c) ₹9540 (d) ₹10080
33. 33.In how many years will ₹4500 earn ₹810 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
34. 34.What is the simple interest on ₹9000 at 2% per year for 3 years? (a) ₹540 (b) ₹180 (c) ₹720 (d) ₹9540
35. 35.₹7000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1960 (b) ₹9450 (c) ₹7490 (d) ₹8960
36. 36.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 8% (b) 3% (c) 5% (d) 4%
37. 37.The simple interest on ₹9500 for 3 years is ₹570. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 1%
38. 38.In how many years will ₹9000 earn ₹2160 simple interest at 12% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
39. 39.In how many years will ₹8500 earn ₹1700 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
40. 40.What is the simple interest on ₹9000 at 11% per year for 3 years? (a) ₹990 (b) ₹11970 (c) ₹3960 (d) ₹2970

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