Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 546 · 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.₹2000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2720 (b) ₹540 (c) ₹2180 (d) ₹2540
2. 2.The simple interest on ₹8500 for 5 years is ₹2125. What is the rate per year? (a) 6% (b) 25% (c) 5% (d) 4%
3. 3.₹2500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹825 (b) ₹3600 (c) ₹2775 (d) ₹3325
4. 4.In how many years will ₹8000 earn ₹1680 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
5. 5.What is the simple interest on ₹4000 at 6% per year for 2 years? (a) ₹720 (b) ₹480 (c) ₹4480 (d) ₹240
6. 6.What is the simple interest on ₹5000 at 2% per year for 5 years? (a) ₹5500 (b) ₹600 (c) ₹500 (d) ₹100
7. 7.The simple interest on ₹3000 for 2 years is ₹660. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 22%
8. 8.In how many years will ₹1000 earn ₹250 simple interest at 5% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
9. 9.What is the simple interest on ₹7500 at 8% per year for 3 years? (a) ₹1800 (b) ₹2400 (c) ₹9300 (d) ₹600
10. 10.The simple interest on ₹9500 for 2 years is ₹1710. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 18%
11. 11.The simple interest on ₹4500 for 2 years is ₹180. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 4%
12. 12.₹9500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹760 (b) ₹10450 (c) ₹9690 (d) ₹10260
13. 13.The simple interest on ₹2000 for 4 years is ₹400. What is the rate per year? (a) 4% (b) 20% (c) 6% (d) 5%
14. 14.The simple interest on ₹6500 for 5 years is ₹2600. What is the rate per year? (a) 40% (b) 9% (c) 7% (d) 8%
15. 15.What is the simple interest on ₹10000 at 7% per year for 2 years? (a) ₹1400 (b) ₹2100 (c) ₹700 (d) ₹11400
16. 16.What is the simple interest on ₹9500 at 9% per year for 2 years? (a) ₹855 (b) ₹2565 (c) ₹1710 (d) ₹11210
17. 17.In how many years will ₹10000 earn ₹2500 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
18. 18.The simple interest on ₹6500 for 2 years is ₹260. What is the rate per year? (a) 2% (b) 4% (c) 1% (d) 3%
19. 19.In how many years will ₹4500 earn ₹360 simple interest at 2% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
20. 20.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹720 (b) ₹600 (c) ₹3600 (d) ₹120
21. 21.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹3150 (c) ₹3300 (d) ₹3450
22. 22.What is the simple interest on ₹7000 at 6% per year for 3 years? (a) ₹1680 (b) ₹8260 (c) ₹420 (d) ₹1260
23. 23.The simple interest on ₹6500 for 2 years is ₹1300. What is the rate per year? (a) 20% (b) 11% (c) 9% (d) 10%
24. 24.The simple interest on ₹1000 for 2 years is ₹180. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 18%
25. 25.What is the simple interest on ₹2000 at 2% per year for 4 years? (a) ₹40 (b) ₹2160 (c) ₹160 (d) ₹200
26. 26.In how many years will ₹5000 earn ₹2750 simple interest at 11% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
27. 27.The simple interest on ₹10000 for 4 years is ₹2000. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 20%
28. 28.₹1500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹750 (b) ₹2250 (c) ₹2400 (d) ₹1650
29. 29.What is the simple interest on ₹8000 at 6% per year for 5 years? (a) ₹2400 (b) ₹2880 (c) ₹10400 (d) ₹480
30. 30.What is the simple interest on ₹6500 at 4% per year for 5 years? (a) ₹1560 (b) ₹260 (c) ₹1300 (d) ₹7800
31. 31.₹5500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹9460 (b) ₹6160 (c) ₹3300 (d) ₹8800
32. 32.In how many years will ₹9000 earn ₹5400 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
33. 33.What is the simple interest on ₹9500 at 7% per year for 3 years? (a) ₹1995 (b) ₹11495 (c) ₹665 (d) ₹2660
34. 34.₹2500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2775 (b) ₹3050 (c) ₹550 (d) ₹3325
35. 35.₹10000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹10200 (b) ₹10800 (c) ₹800 (d) ₹11000
36. 36.₹5500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2475 (b) ₹5995 (c) ₹7975 (d) ₹8470
37. 37.₹1500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1725 (b) ₹1680 (c) ₹180 (d) ₹1545
38. 38.What is the simple interest on ₹2500 at 5% per year for 2 years? (a) ₹2750 (b) ₹125 (c) ₹375 (d) ₹250
39. 39.₹8500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹10200 (b) ₹1275 (c) ₹8925 (d) ₹9775
40. 40.₹1500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹210 (b) ₹1605 (c) ₹1815 (d) ₹1710

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