Question
Download Solution PDFThe number of ways in which 5 boys and 4 girls sit around a table so that all the boys sit together is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Arrangements of n different objects around a circle, then the number of arrangements is (n – 1)!
Calculation:
Given: All boys are to sit together
So, All boys can be considered as a single group.
∴ Total no of students = 4Girls + 1Group = 5
The number of ways of arranging 5 students in a round table is (5 - 1)! = 4!
Now, no of the ways of arranging 5 boys is 5!
Hence, The total number of ways = 4!5!
Last updated on Jun 20, 2025
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