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      Question

      Find the mean proportion between 49,

      81.
      A 63 Correct Answer Incorrect Answer
      B 60 Correct Answer Incorrect Answer
      C 62 Correct Answer Incorrect Answer
      D 65 Correct Answer Incorrect Answer

      Solution

      ATQ, Let x be the mean proportional between 49 & 81 By the given condition 49 : x = x : 81 x2ย ย = 49 ร— 81 = 3969 x =ย โˆš 3969 x = 63

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