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Railways PYQCBT 1 2016

RRB NTPC · Question 17

______ are the most intelligent mammals on earth. A. Dolphins B. Elephants C. Deer D. Hippos

  1. D

  2. B

  3. A

  4. C

Show answer & explanation

Answer: (C) A

Explanation

Dolphins are generally regarded as the most intelligent mammals after humans. They have large brains relative to body size, use complex communication, recognise themselves in mirrors and solve problems.