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MathsJEE Main 5 Apr 2026, Shift 2·Q6·MCQ·Easy–moderate

Sequences & Series · Arithmetic means

Let A1,A2,A3,…,A39A_1, A_2, A_3, \ldots, A_{39} be 39 arithmetic means between the numbers 59 and 159. Then the mean of A25A_{25}, A28A_{28}, A31A_{31} and A36A_{36} is equal to:
  1. (1)129
  2. (2)136
  3. (3)131.50
  4. (4)134

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