Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 973 · 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 ₹6500 earn ₹390 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
2. 2.What is the simple interest on ₹3000 at 2% per year for 2 years? (a) ₹120 (b) ₹3120 (c) ₹60 (d) ₹180
3. 3.₹1000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹1480 (b) ₹400 (c) ₹1080 (d) ₹1400
4. 4.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹1100 (b) ₹50 (c) ₹100 (d) ₹150
5. 5.The simple interest on ₹1000 for 5 years is ₹300. What is the rate per year? (a) 30% (b) 5% (c) 7% (d) 6%
6. 6.In how many years will ₹1000 earn ₹400 simple interest at 10% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
7. 7.₹4000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹4960 (b) ₹640 (c) ₹4640 (d) ₹4320
8. 8.₹10000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹10600 (b) ₹10200 (c) ₹600 (d) ₹10800
9. 9.₹6000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹7080 (c) ₹6360 (d) ₹7440
10. 10.In how many years will ₹2000 earn ₹80 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
11. 11.What is the simple interest on ₹2000 at 8% per year for 3 years? (a) ₹2480 (b) ₹160 (c) ₹640 (d) ₹480
12. 12.In how many years will ₹6000 earn ₹480 simple interest at 2% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
13. 13.The simple interest on ₹8500 for 4 years is ₹3060. What is the rate per year? (a) 8% (b) 36% (c) 10% (d) 9%
14. 14.What is the simple interest on ₹2000 at 7% per year for 5 years? (a) ₹2700 (b) ₹700 (c) ₹140 (d) ₹840
15. 15.The simple interest on ₹1500 for 4 years is ₹300. What is the rate per year? (a) 20% (b) 6% (c) 4% (d) 5%
16. 16.₹3500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹5180 (b) ₹1680 (c) ₹3920 (d) ₹5600
17. 17.The simple interest on ₹2500 for 4 years is ₹1000. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 40%
18. 18.The simple interest on ₹2500 for 4 years is ₹600. What is the rate per year? (a) 24% (b) 5% (c) 7% (d) 6%
19. 19.What is the simple interest on ₹5500 at 7% per year for 3 years? (a) ₹385 (b) ₹1155 (c) ₹1540 (d) ₹6655
20. 20.What is the simple interest on ₹7000 at 12% per year for 3 years? (a) ₹840 (b) ₹3360 (c) ₹9520 (d) ₹2520
21. 21.In how many years will ₹5000 earn ₹900 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
22. 22.₹2000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹2240 (b) ₹3440 (c) ₹3200 (d) ₹1200
23. 23.In how many years will ₹5000 earn ₹2500 simple interest at 10% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
24. 24.In how many years will ₹1500 earn ₹600 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
25. 25.In how many years will ₹4500 earn ₹900 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
26. 26.₹4500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹4995 (b) ₹990 (c) ₹5985 (d) ₹5490
27. 27.What is the simple interest on ₹1000 at 2% per year for 5 years? (a) ₹20 (b) ₹120 (c) ₹100 (d) ₹1100
28. 28.In how many years will ₹1500 earn ₹540 simple interest at 9% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
29. 29.In how many years will ₹1500 earn ₹480 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
30. 30.What is the simple interest on ₹4000 at 7% per year for 2 years? (a) ₹4560 (b) ₹560 (c) ₹280 (d) ₹840
31. 31.₹5000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹7700 (b) ₹2250 (c) ₹7250 (d) ₹5450
32. 32.What is the simple interest on ₹4000 at 4% per year for 4 years? (a) ₹4640 (b) ₹160 (c) ₹800 (d) ₹640
33. 33.The simple interest on ₹7500 for 4 years is ₹1800. What is the rate per year? (a) 7% (b) 5% (c) 24% (d) 6%
34. 34.What is the simple interest on ₹2500 at 11% per year for 4 years? (a) ₹1100 (b) ₹275 (c) ₹1375 (d) ₹3600
35. 35.In how many years will ₹4500 earn ₹900 simple interest at 10% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
36. 36.The simple interest on ₹5500 for 4 years is ₹660. What is the rate per year? (a) 3% (b) 12% (c) 2% (d) 4%
37. 37.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹10260 (b) ₹380 (c) ₹760 (d) ₹1140
38. 38.In how many years will ₹1000 earn ₹100 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
39. 39.₹6000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹6540 (b) ₹6360 (c) ₹6180 (d) ₹360
40. 40.What is the simple interest on ₹9000 at 5% per year for 4 years? (a) ₹450 (b) ₹2250 (c) ₹10800 (d) ₹1800

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