NextMockSearch exams, e.g. SSC CGL, UPPSC, Lekhpal
Railways PYQCBT 1 2016

RRB NTPC · Question 64

Find the maximum area of a square field which is surrounded by a rope of 400 m. A. 5000 m^2 B. 6250 m^2 C. 4000 m^2 D. 10000 m^2

  1. A

  2. D

  3. C

  4. B

Show answer & explanation

Answer: (B) D

Explanation

A 400 m rope around a square gives a perimeter of 400 m, so each side is 100 m. Area = 100 × 100 = 10,000 m².