Seven children — A, B, C, D, E, F, and G — are going to sit in seven chairs in a row. The children C & F have to sit

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Seven children — A, B, C, D, E, F, and G — are going to sit in seven chairs in a row. The children C & F have to sit next to each other, and the others can sit in any order in any remaining chairs. How many possible configurations are there for the children?

A. 600
B. 720
C. 1440
D. 4320
E. 4800


OA C

Source: Magoosh