IIT JEE Entrance Exam
in how many ways can6 boys and 4 girls sit in s row so thst no boy is between 2 girls?
in how many ways can6 boys and 4 girls sit in s row so thst no boy is between 2 girls?
1 Answer
Shreyansh Gandhi
Since no boy should be there in between any 2 girls, consider the 4 girls as one unit.
HEnce total no of units=6+1=7
Now they Can be arranged in 7! ways and the girls can be arranged in 4! ways, the total no of arrangements is
7!*4!
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