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The geometric mean of three numbers was computed as 6. It was subsequently found that, in this computation, a number 8 was wrongly read as 12 . What is the correct geometric mean?

Options

  1. A4
  2. B[3] 5
  3. C2 [3] 18
  4. DNone of these

Correct answer

C. 2 [3] 18

Step-by-step solution

The correct answer is option (C).

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