In which of the following choices, p must be greater than q?

In which of the following choices, p must be greater than q?

  1. a) 0.9^p=0.9^q
  2. b) 0.9^p=0.92^q
  3. c) 9^p<9^q
  4. d) 9^p>9^q

From the Combined Bank Assistant Programmer (CSE) March 2021 – Preliminary exam, question 58 of 86.

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