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A class is composed of two brothers and six other boys. In how many ways can all the boys be seated at a round table so that the two brothers are not seated besides each other? A. 4320 B. 3600 C. 720 D. 1440

A class is composed of two brothers and six other boys. In how many ways can all the boys be seated at a round table so that the two brothers are not seated besides each other?
A. 4320 B. 3600 C. 720 D. 1440

Grade:Upto college level

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
11 months ago
Dear student

The answer is option b

Regards
Vikas TU
14149 Points
11 months ago
Dear student 
Total no of ways = (n-1)! 
n =8
= 7!
When boys are together (7-1)! * 2! = 3600  
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