Chapter 5 : Arithmetic Progressions
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50. The AP 1, 1, 1, 1, … has nth term equal to
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49. Find a₂₀ of AP: 3, 5, 7, …
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48. Find the sum of first 4 terms of AP: 2, 4, 6, …
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47. Find the 12th term of AP: 7, 12, 17, …
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46. Find S₁₀ of AP: 1, 6, 11, …
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45. Which term of AP 4, 9, 14, … is 49?
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44. Sum of first 11 terms of AP: 1, 2, 3, … is
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43. Find the 8th term of AP: 9, 13, 17, …
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42. Find the common difference of AP: 100, 90, 80, …
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41. The sum of first 100 natural numbers is
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40. Find a₁₅ of AP: 5, 8, 11, …
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39. Find S₆ of AP: 7, 14, 21, …
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38. Which term of AP 10, 15, 20, … is 75?
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37. Find the 30th term of AP: 1, 4, 7, …
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36. Find the sum of first 9 terms of AP: 2, 5, 8, …
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35. Find d if a = 1 and a₁₀ = 28
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34. The first term of AP 12, 17, 22, … is
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33. Find the sum of first 7 terms of AP: 4, 8, 12, …
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32. Find a₁₈ of AP: 2, 7, 12, …
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31. Which term of AP 3, 8, 13, … is 63?
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30. Find S₁₀ for AP: 10, 20, 30, …
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29. The AP 9, 9, 9, 9, … has common difference
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28. Find the 25th term of AP: 4, 7, 10, …
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27. Sum of first 12 terms of AP: 1, 3, 5, … is
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26. Find a₉ of AP: 11, 15, 19, …
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25. Which term of AP 2, 6, 10, … is 42?
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24. Find the common difference if a = 7 and a₆ = 27
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23. Find the sum of first 15 terms of AP: 2, 5, 8, …
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22. The 20th term of AP 1, 3, 5, … is
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21. Find the sum of first 8 terms of AP: 5, 10, 15, …
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20. Sum of first 20 natural numbers is
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19. Find S₅ for AP: 3, 6, 9, 12, …
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18. Find the sum of first 10 terms of AP: 2, 4, 6, …
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17. Formula for sum of first n terms of AP is
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16. Find the sum of first 5 natural numbers
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15. If a = 2 and d = 3, then a₆ is
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14. Find a₁₂ of AP: 6, 11, 16, …
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13. The common difference of AP 20, 18, 16, … is
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12. Which term of AP 7, 10, 13, … is 52?
40 / 50
11. Find the 15th term of AP: 4, 9, 14, …
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10. The 1st term of AP 8, 13, 18, … is
42 / 50
9. Find the common difference of AP: -2, -5, -8, -11
43 / 50
8. Which term of the AP 5, 9, 13, … is 45?
44 / 50
7. Find the 7th term of AP: 1, 4, 7, 10, …
45 / 50
6. The nth term of an AP is given by
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5. Find the first term of the AP if a₅ = 21 and d = 4
47 / 50
4. The common difference of AP 15, 10, 5, 0, … is
48 / 50
3. Find the 10th term of the AP: 3, 7, 11, …
49 / 50
2. Which of the following is an Arithmetic Progression?
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1. What is the common difference of the AP: 2, 5, 8, 11, …?
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