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Railways PYQCBT 2 2017

RRB NTPC · Question 24

Find the area of a square whose diagonal is half of 12 cm.

  1. 18 sq. cm

  2. 64 sq. cm

  3. 36 sq. cm

  4. 72 sq. cm

Show answer & explanation

Answer: (A) 18 sq. cm

Explanation

The diagonal is 6 cm. Area of a square = diagonal²/2 = 36/2 = 18 sq cm.