A probability problem by Aditya Khadse
Probability
Level
2
There are 6 boys and 4 girls. In how many ways can they sit in a row, such that there is no boy between two girls?
The answer is 120960.
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1 solution
Since there is NO boy between two girls, the girls must sit together, and they can be treated as a group, thus ways to arrange the girls is 4!, and then to arrange them with 6 boys, 7!. Thus total 4!*7!