Answer :
6 students can be seated in a row of 6 chairs in 121 ways.
Given,
Number of students = 6
Number of chairs = 6
We have to find the number of ways the students can be seated in a row.
Here,
Jack insists on sitting in the first chair.
So, 1 way of sitting for jack.
Next,
5 students and 5 chairs are there.
So they can sit in;
5! = 120 ways
Therefore,
Total number of way of sitting is 120 + 1 = 121 ways.
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