Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 268 · 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.₹5500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹8525 (b) ₹7920 (c) ₹2420 (d) ₹6105
2. 2.What is the simple interest on ₹4000 at 8% per year for 2 years? (a) ₹4640 (b) ₹640 (c) ₹960 (d) ₹320
3. 3.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3270 (b) ₹180 (c) ₹3180 (d) ₹3090
4. 4.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹225 (b) ₹150 (c) ₹75 (d) ₹2650
5. 5.The simple interest on ₹3000 for 5 years is ₹1350. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 45%
6. 6.The simple interest on ₹8000 for 2 years is ₹640. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 8%
7. 7.What is the simple interest on ₹1000 at 11% per year for 2 years? (a) ₹330 (b) ₹220 (c) ₹1220 (d) ₹110
8. 8.What is the simple interest on ₹4500 at 10% per year for 4 years? (a) ₹2250 (b) ₹450 (c) ₹1800 (d) ₹6300
9. 9.What is the simple interest on ₹7000 at 11% per year for 5 years? (a) ₹3850 (b) ₹4620 (c) ₹10850 (d) ₹770
10. 10.The simple interest on ₹7000 for 4 years is ₹840. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 12%
11. 11.₹1500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹180 (c) ₹1680 (d) ₹1770
12. 12.The simple interest on ₹5000 for 5 years is ₹750. What is the rate per year? (a) 2% (b) 4% (c) 15% (d) 3%
13. 13.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 5% (b) 3% (c) 8% (d) 4%
14. 14.In how many years will ₹3500 earn ₹840 simple interest at 12% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
15. 15.₹2000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2220 (b) ₹2880 (c) ₹660 (d) ₹2660
16. 16.₹7500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹8400 (b) ₹12000 (c) ₹12900 (d) ₹4500
17. 17.What is the simple interest on ₹1000 at 10% per year for 3 years? (a) ₹300 (b) ₹1300 (c) ₹100 (d) ₹400
18. 18.₹10000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹12400 (b) ₹10600 (c) ₹1800 (d) ₹11800
19. 19.What is the simple interest on ₹7500 at 11% per year for 4 years? (a) ₹825 (b) ₹3300 (c) ₹4125 (d) ₹10800
20. 20.The simple interest on ₹3000 for 5 years is ₹1500. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 50%
21. 21.In how many years will ₹3000 earn ₹630 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
22. 22.In how many years will ₹3000 earn ₹1050 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
23. 23.What is the simple interest on ₹9500 at 10% per year for 3 years? (a) ₹3800 (b) ₹12350 (c) ₹2850 (d) ₹950
24. 24.₹7000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹3850 (b) ₹10850 (c) ₹11620 (d) ₹7770
25. 25.What is the simple interest on ₹3000 at 9% per year for 2 years? (a) ₹3540 (b) ₹540 (c) ₹270 (d) ₹810
26. 26.The simple interest on ₹6000 for 3 years is ₹1620. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 27%
27. 27.₹4500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹4725 (b) ₹5625 (c) ₹5850 (d) ₹1125
28. 28.₹9000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹2700 (b) ₹12600 (c) ₹9900 (d) ₹11700
29. 29.In how many years will ₹2500 earn ₹500 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
30. 30.In how many years will ₹5500 earn ₹1100 simple interest at 10% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
31. 31.The simple interest on ₹4000 for 2 years is ₹720. What is the rate per year? (a) 9% (b) 10% (c) 18% (d) 8%
32. 32.In how many years will ₹3500 earn ₹315 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
33. 33.In how many years will ₹9000 earn ₹1800 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
34. 34.The simple interest on ₹4000 for 2 years is ₹400. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 10%
35. 35.The simple interest on ₹9500 for 2 years is ₹380. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 4%
36. 36.What is the simple interest on ₹3000 at 5% per year for 3 years? (a) ₹450 (b) ₹600 (c) ₹150 (d) ₹3450
37. 37.In how many years will ₹2000 earn ₹880 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
38. 38.In how many years will ₹5500 earn ₹1650 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
39. 39.The simple interest on ₹8000 for 3 years is ₹1920. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 24%
40. 40.What is the simple interest on ₹1000 at 12% per year for 4 years? (a) ₹1480 (b) ₹480 (c) ₹120 (d) ₹600

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