For a group photograph , 3 boys and 2 girls stand in a line in all possible ways . How many photographs can be taken if each photo cocorresponds to each such arrangement?
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There are 5*4*3*2*1=120 different ways of arranging 5 different people. The fact that there are 3 boys and 2 girls doesn’t matter, because they are all individuals. So there will be 120 photos.

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