Q129 / 200 · Manipal (MET) 2013 · Mathematics

3 numbers are in GP therefore, their logarithms are in

  • A
    GP
  • B
    HP
  • Correct answer
    C
    AP
  • D
    None of these

Solution

$a, b, c$ are in GP $\Rightarrow b^2=a c$ taking log on both the sides, we get Figure
$\Rightarrow \log a, \log b, \log c$ are in AP.

Hence, the correct answer is option: 'C'.

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