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B
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D
E
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Source: Magoosh
Suppose n children are going to sit, in any order, in a row of n chairs. What is the value of n?
1) In this row, there are 5040 possible arrangements of the n children
2) If one child leaves, and one chair is removed from the row, there would be 4320 fewer arrangements of the remaining children
The OA is D
Suppose n children are going to sit, in any order, in a row of n chairs. What is the value of n?
1) In this row, there are 5040 possible arrangements of the n children
2) If one child leaves, and one chair is removed from the row, there would be 4320 fewer arrangements of the remaining children
The OA is D
