The sum of first ten terms of an AP is four times the sum of its first five terms, then…

Mathematics · JEE Main · NTA ExamsProgression and Series

The sum of first ten terms of an AP is four times the sum of its first five terms, then ratio of first term and common difference is
  1. 2
  2. 1/2
  3. 4
  4. 1/4

Answer

(B) 1/2

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