1 five children are in a room and leave in single file in


1. Five children are in a room and leave in single file. In how many different orders can the children leave?

2. A darts club has 10 of its members who are better than all the other members and are all equally proficient. It is required to select a team of four from these ten to represent the club in a tournament and the selection is done by drawing lots. In how many different ways can the team be chosen?

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Basic Statistics: 1 five children are in a room and leave in single file in
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