Three children, each accompanied by a guardian, seek admission in a school. The principal want to interview all the 6 persons one after the other subject to the condition that no child is interviewed before its guradian. In how many ways can this be done-A. 60B. 90C. 120D. 180

Three children, each accompanied by a guardian, seek admission in a sc

1.	Three children, each accompanied by a guardian, seek admission in a school. The principal want to interview all the 6 persons one after the other subject to the condition that no child is interviewed before its guradian. In how many ways can this be done-A. 60B. 90C. 120D. 180
Answer» Correct Answer - B `(6!)/((2!)^(3))=90`

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Three children, each accompanied by a guardian, seek admission in a school. The principal want to interview all the 6 persons one after the other subject to the condition that no child is interviewed before its guradian. In how many ways can this be done-A. 60B. 90C. 120D. 180

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