Published by:
CGP EDU Academic Team
Published on: August 14, 2026
In an examination hall there are ' 
' chairs in 
rows and 
columns. The number of ways in which 
students can be seated such that no row is vacant is
A
!
B
! C
!
D
!
Text Solution
Verified by ExpertsThe correct answer is:
B
Given there are ' 
' chairs in 
rows and 
columns Hence, number of ways in which one student can sit in 1 st column 
So, similarly 
students can sit in 
ways
Since, students can be arranged in 
! ways,
Total number of ways 
ways,
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