9. A room has 6 door. In how many way can a man enter theroom through – InterviewSolution

1.

9. A room has 6 door. In how many way can a man enter theroom through one door and come out through a differentdoor.

Answer»

Hi,

Here is the answer to your question.

6x5x4x3x2x1=30×12×2=30×24=720

6factorial equal to 720 ways

6 factorial equal to 720 ways

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