Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 334 · 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.₹3000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹3330 (b) ₹3990 (c) ₹4320 (d) ₹990
2. 2.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹880 (b) ₹6600 (c) ₹5720 (d) ₹6380
3. 3.What is the simple interest on ₹1000 at 7% per year for 3 years? (a) ₹70 (b) ₹1210 (c) ₹210 (d) ₹280
4. 4.What is the simple interest on ₹10000 at 7% per year for 2 years? (a) ₹11400 (b) ₹1400 (c) ₹2100 (d) ₹700
5. 5.What is the simple interest on ₹8500 at 7% per year for 3 years? (a) ₹1785 (b) ₹595 (c) ₹10285 (d) ₹2380
6. 6.In how many years will ₹6000 earn ₹1800 simple interest at 10% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
7. 7.The simple interest on ₹5000 for 5 years is ₹1750. What is the rate per year? (a) 8% (b) 35% (c) 7% (d) 6%
8. 8.₹2000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2160 (b) ₹160 (c) ₹2240 (d) ₹2080
9. 9.₹1000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1250 (b) ₹1050 (c) ₹200 (d) ₹1200
10. 10.What is the simple interest on ₹10000 at 12% per year for 2 years? (a) ₹1200 (b) ₹2400 (c) ₹3600 (d) ₹12400
11. 11.₹9500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹10070 (b) ₹11210 (c) ₹1140 (d) ₹10640
12. 12.The simple interest on ₹1000 for 2 years is ₹220. What is the rate per year? (a) 11% (b) 22% (c) 10% (d) 12%
13. 13.What is the simple interest on ₹7500 at 3% per year for 3 years? (a) ₹225 (b) ₹8175 (c) ₹900 (d) ₹675
14. 14.What is the simple interest on ₹3000 at 11% per year for 4 years? (a) ₹1650 (b) ₹330 (c) ₹1320 (d) ₹4320
15. 15.In how many years will ₹1500 earn ₹900 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
16. 16.What is the simple interest on ₹3500 at 12% per year for 2 years? (a) ₹420 (b) ₹4340 (c) ₹840 (d) ₹1260
17. 17.The simple interest on ₹5000 for 4 years is ₹1600. What is the rate per year? (a) 8% (b) 9% (c) 7% (d) 32%
18. 18.₹10000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹1000 (b) ₹11500 (c) ₹11000 (d) ₹10500
19. 19.What is the simple interest on ₹1000 at 8% per year for 2 years? (a) ₹80 (b) ₹1160 (c) ₹160 (d) ₹240
20. 20.In how many years will ₹9500 earn ₹3135 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
21. 21.₹1000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1240 (b) ₹1300 (c) ₹1060 (d) ₹240
22. 22.In how many years will ₹1500 earn ₹240 simple interest at 8% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
23. 23.The simple interest on ₹5500 for 2 years is ₹880. What is the rate per year? (a) 7% (b) 16% (c) 9% (d) 8%
24. 24.₹4500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹5040 (b) ₹540 (c) ₹5220 (d) ₹4680
25. 25.The simple interest on ₹3000 for 5 years is ₹300. What is the rate per year? (a) 1% (b) 10% (c) 2% (d) 3%
26. 26.What is the simple interest on ₹4000 at 9% per year for 4 years? (a) ₹1800 (b) ₹5440 (c) ₹360 (d) ₹1440
27. 27.In how many years will ₹1500 earn ₹135 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
28. 28.₹2000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2100 (b) ₹2600 (c) ₹500 (d) ₹2500
29. 29.The simple interest on ₹3500 for 2 years is ₹840. What is the rate per year? (a) 24% (b) 11% (c) 13% (d) 12%
30. 30.In how many years will ₹6500 earn ₹1300 simple interest at 4% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
31. 31.₹10000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1600 (b) ₹12400 (c) ₹11600 (d) ₹10800
32. 32.In how many years will ₹5000 earn ₹900 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
33. 33.What is the simple interest on ₹8000 at 6% per year for 5 years? (a) ₹10400 (b) ₹2880 (c) ₹2400 (d) ₹480
34. 34.What is the simple interest on ₹1500 at 7% per year for 2 years? (a) ₹105 (b) ₹210 (c) ₹1710 (d) ₹315
35. 35.In how many years will ₹7000 earn ₹2800 simple interest at 8% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
36. 36.₹4000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹5600 (b) ₹1280 (c) ₹4320 (d) ₹5280
37. 37.What is the simple interest on ₹5500 at 11% per year for 2 years? (a) ₹1210 (b) ₹6710 (c) ₹1815 (d) ₹605
38. 38.What is the simple interest on ₹7000 at 3% per year for 4 years? (a) ₹1050 (b) ₹210 (c) ₹7840 (d) ₹840
39. 39.In how many years will ₹5000 earn ₹500 simple interest at 2% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
40. 40.In how many years will ₹7000 earn ₹1120 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years

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