Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 7 · 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 ₹4000 earn ₹2200 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
2. 2.₹8500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹2040 (b) ₹11050 (c) ₹10540 (d) ₹9010
3. 3.₹1000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹1120 (b) ₹1600 (c) ₹1720 (d) ₹600
4. 4.₹1500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1920 (b) ₹1815 (c) ₹315 (d) ₹1605
5. 5.₹3000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1650 (b) ₹4650 (c) ₹3330 (d) ₹4980
6. 6.₹7000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹560 (b) ₹7560 (c) ₹7280 (d) ₹7840
7. 7.The simple interest on ₹5000 for 4 years is ₹400. What is the rate per year? (a) 8% (b) 1% (c) 3% (d) 2%
8. 8.The simple interest on ₹3500 for 2 years is ₹560. What is the rate per year? (a) 16% (b) 9% (c) 8% (d) 7%
9. 9.The simple interest on ₹4500 for 3 years is ₹1485. What is the rate per year? (a) 10% (b) 33% (c) 12% (d) 11%
10. 10.The simple interest on ₹6500 for 5 years is ₹1625. What is the rate per year? (a) 25% (b) 4% (c) 6% (d) 5%
11. 11.What is the simple interest on ₹9500 at 3% per year for 5 years? (a) ₹285 (b) ₹1425 (c) ₹1710 (d) ₹10925
12. 12.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1560 (b) ₹1590 (c) ₹60 (d) ₹1530
13. 13.What is the simple interest on ₹8500 at 11% per year for 2 years? (a) ₹10370 (b) ₹1870 (c) ₹2805 (d) ₹935
14. 14.In how many years will ₹6500 earn ₹2925 simple interest at 9% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
15. 15.In how many years will ₹7000 earn ₹1120 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
16. 16.In how many years will ₹4500 earn ₹1575 simple interest at 7% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
17. 17.What is the simple interest on ₹5500 at 7% per year for 4 years? (a) ₹7040 (b) ₹385 (c) ₹1540 (d) ₹1925
18. 18.The simple interest on ₹6000 for 3 years is ₹1620. What is the rate per year? (a) 9% (b) 8% (c) 10% (d) 27%
19. 19.In how many years will ₹8000 earn ₹2240 simple interest at 7% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
20. 20.₹9500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹12920 (b) ₹10355 (c) ₹12065 (d) ₹2565
21. 21.What is the simple interest on ₹4500 at 9% per year for 3 years? (a) ₹405 (b) ₹1620 (c) ₹5715 (d) ₹1215
22. 22.What is the simple interest on ₹1000 at 9% per year for 2 years? (a) ₹180 (b) ₹1180 (c) ₹270 (d) ₹90
23. 23.₹3000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹600 (b) ₹3300 (c) ₹3600 (d) ₹3900
24. 24.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹2040 (b) ₹10540 (c) ₹2720 (d) ₹680
25. 25.In how many years will ₹4000 earn ₹2400 simple interest at 12% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
26. 26.The simple interest on ₹7500 for 5 years is ₹4125. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 55%
27. 27.The simple interest on ₹7500 for 2 years is ₹1350. What is the rate per year? (a) 10% (b) 18% (c) 9% (d) 8%
28. 28.What is the simple interest on ₹5000 at 3% per year for 3 years? (a) ₹450 (b) ₹600 (c) ₹150 (d) ₹5450
29. 29.In how many years will ₹5000 earn ₹1400 simple interest at 7% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
30. 30.What is the simple interest on ₹4000 at 4% per year for 5 years? (a) ₹160 (b) ₹4800 (c) ₹960 (d) ₹800
31. 31.In how many years will ₹3000 earn ₹300 simple interest at 5% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
32. 32.In how many years will ₹1500 earn ₹450 simple interest at 6% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
33. 33.In how many years will ₹5500 earn ₹825 simple interest at 5% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
34. 34.₹1000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1400 (b) ₹1500 (c) ₹1100 (d) ₹400
35. 35.What is the simple interest on ₹9000 at 5% per year for 4 years? (a) ₹1800 (b) ₹10800 (c) ₹450 (d) ₹2250
36. 36.What is the simple interest on ₹1000 at 8% per year for 4 years? (a) ₹320 (b) ₹1320 (c) ₹400 (d) ₹80
37. 37.What is the simple interest on ₹1000 at 2% per year for 5 years? (a) ₹100 (b) ₹20 (c) ₹1100 (d) ₹120
38. 38.What is the simple interest on ₹1500 at 4% per year for 3 years? (a) ₹180 (b) ₹60 (c) ₹1680 (d) ₹240
39. 39.The simple interest on ₹9000 for 4 years is ₹3600. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 40%
40. 40.The simple interest on ₹1000 for 2 years is ₹180. What is the rate per year? (a) 18% (b) 8% (c) 10% (d) 9%

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