If the sum of the first 2 n terms of the A.P. 2, 5, 8.......is equal to the sum of the…

Mathematics · JEE Advanced · NTA ExamsProgression and Series

If the sum of the first 2n terms of the A.P. 2, 5, 8.......is equal to the sum of the first n terms of the A.P. 57, 59, 61,........then n equals
  1. 100
  2. 12
  3. 11
  4. 13

Answer

(C) 11

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