Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Seven person P 1 , P 2 , ........., P 7 initially seated at chairs C 1 , C 2 ........ ,C 7 respectively. They all left their chairs simultaneously for hand wash. Now in how many ways they can again take seats such that no one sits on his own seat and P 1 sits on C 2 and P 2 sits on C 3 ?
Text Solution
Verified by ExpertsThe correct answer is:
B
If P 3 sits on C 1
4! 
= 4.3 – 4 +1 = 9
If P 3 does not sit on C 1
= 5! 
= 44
total number of ways = 44 + 9 = 53
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