Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Two small squares on a chess board are chosen at random. Probability that they have a common side is,
Text Solution
Verified by ExpertsThe correct answer is:
C
Th ere are 64 small squares on a chessboard.
⇒ ⇒ Total number of ways to choose two squares
= 64 C 2 = 32.63
For favourable ways we must chosen two consecutive small
squares for any row or any columns
⇒ ⇒ Number of favorable ways = (7.8)2
⇒ ⇒ Required probability = 
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