1.

there are 5differentboxesand 7 differentballs. All the7 balls areto bedistributed in the5 boxesplacedin arowso thatanyboxcanreceiveanynumberof balls . In the previous question (no. 70) in how many ways can all these balls be distributed into these boxes so that no box remains empty and no two consecutive boxes have the same number of balls?

Answer»

1
4
12
none of these

Answer :A


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