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Mathematics 10 Online
OpenStudy (ehsan18):

In how many ways can 5 boys and 4 girls be seated on a bench so that the girls and the boys occupy alternate seats?

OpenStudy (ehsan18):

@ganeshie8 @Preetha @Australopithecus

ganeshie8 (ganeshie8):

First arrange the \(5\) boys in \(5!\) ways : |dw:1434362511919:dw|

ganeshie8 (ganeshie8):

Next insert \(4\) girls in those gaps in \(4!\) ways |dw:1434362643409:dw|

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