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Railways PYQCBT 1 2016

RRB NTPC · Question 93

Find the maximum area of a square field which is surrounded by a rope of 100 meters? A. 500 m^2 B. 625 m^2 C. 400 m^2 D. 100 m^2

  1. D

  2. C

  3. B

  4. A

Show answer & explanation

Answer: (C) B

Explanation

A 100 m rope around a square gives a perimeter of 100 m, so each side is 25 m. Area = 25² = 625 m².