Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 996 · 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 ₹1500 at 11% per year for 2 years? (a) ₹495 (b) ₹165 (c) ₹1830 (d) ₹330
2. 2.The simple interest on ₹1000 for 2 years is ₹180. What is the rate per year? (a) 9% (b) 8% (c) 18% (d) 10%
3. 3.The simple interest on ₹4000 for 5 years is ₹1400. What is the rate per year? (a) 8% (b) 6% (c) 35% (d) 7%
4. 4.₹4000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹4160 (b) ₹4480 (c) ₹4320 (d) ₹320
5. 5.₹1500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹180 (c) ₹1680 (d) ₹1770
6. 6.The simple interest on ₹8500 for 4 years is ₹3060. What is the rate per year? (a) 36% (b) 10% (c) 8% (d) 9%
7. 7.₹6000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹8400 (b) ₹1800 (c) ₹7800 (d) ₹6600
8. 8.₹4000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹5920 (b) ₹4480 (c) ₹5440 (d) ₹1440
9. 9.₹8000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹10000 (b) ₹8400 (c) ₹1600 (d) ₹9600
10. 10.₹1500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1560 (b) ₹240 (c) ₹1740 (d) ₹1800
11. 11.What is the simple interest on ₹4000 at 9% per year for 2 years? (a) ₹1080 (b) ₹360 (c) ₹720 (d) ₹4720
12. 12.₹3500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹4270 (b) ₹3885 (c) ₹4655 (d) ₹770
13. 13.The simple interest on ₹7500 for 3 years is ₹1800. What is the rate per year? (a) 24% (b) 9% (c) 7% (d) 8%
14. 14.The simple interest on ₹7500 for 4 years is ₹2100. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 28%
15. 15.In how many years will ₹4500 earn ₹1350 simple interest at 10% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
16. 16.In how many years will ₹5500 earn ₹440 simple interest at 2% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
17. 17.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 5% (b) 3% (c) 8% (d) 4%
18. 18.In how many years will ₹4000 earn ₹840 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
19. 19.₹3500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹3990 (b) ₹3745 (c) ₹490 (d) ₹4235
20. 20.In how many years will ₹8000 earn ₹640 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
21. 21.₹6500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹3250 (b) ₹10400 (c) ₹9750 (d) ₹7150
22. 22.₹3000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹600 (b) ₹3300 (c) ₹3900 (d) ₹3600
23. 23.₹9500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹12350 (b) ₹11780 (c) ₹10070 (d) ₹2280
24. 24.₹1000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1100 (b) ₹200 (c) ₹1200 (d) ₹1300
25. 25.₹2500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹200 (b) ₹2700 (c) ₹2750 (d) ₹2550
26. 26.The simple interest on ₹3500 for 3 years is ₹1050. What is the rate per year? (a) 9% (b) 30% (c) 10% (d) 11%
27. 27.What is the simple interest on ₹6500 at 3% per year for 3 years? (a) ₹7085 (b) ₹780 (c) ₹195 (d) ₹585
28. 28.What is the simple interest on ₹10000 at 5% per year for 3 years? (a) ₹1500 (b) ₹11500 (c) ₹500 (d) ₹2000
29. 29.What is the simple interest on ₹8000 at 5% per year for 4 years? (a) ₹2000 (b) ₹400 (c) ₹1600 (d) ₹9600
30. 30.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹90 (b) ₹1560 (c) ₹60 (d) ₹30
31. 31.₹8500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹850 (b) ₹8925 (c) ₹9350 (d) ₹9775
32. 32.What is the simple interest on ₹5000 at 2% per year for 3 years? (a) ₹300 (b) ₹400 (c) ₹100 (d) ₹5300
33. 33.What is the simple interest on ₹1500 at 4% per year for 2 years? (a) ₹180 (b) ₹60 (c) ₹120 (d) ₹1620
34. 34.The simple interest on ₹9000 for 3 years is ₹1620. What is the rate per year? (a) 5% (b) 18% (c) 7% (d) 6%
35. 35.In how many years will ₹5500 earn ₹1100 simple interest at 5% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
36. 36.The simple interest on ₹7500 for 2 years is ₹300. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 1%
37. 37.The simple interest on ₹8500 for 2 years is ₹1020. What is the rate per year? (a) 12% (b) 5% (c) 6% (d) 7%
38. 38.The simple interest on ₹4000 for 3 years is ₹480. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 12%
39. 39.In how many years will ₹4500 earn ₹405 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
40. 40.What is the simple interest on ₹8500 at 2% per year for 5 years? (a) ₹9350 (b) ₹170 (c) ₹1020 (d) ₹850

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