SOLUTION: find the permutation of number of ways in which 5 first year student and 5 second year student can be seated on a bench in a examination hall so that no two students of the same cl

Question 994009: find the permutation of number of ways in which 5 first year student and 5 second year student can be seated on a bench in a examination hall so that no two students of the same class are next to each other ?
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
You will have to sit them alternating one student from each class.
The first choice is:
should the student sitting to the left of all other students be a first year student or second year student?
You have choices.
For each of those choices, you have more choices that are independent of each other.
You have to decide:
in what order to sit the first year students, and
in what order to sit the second year students.
There are possible orders to sit the first year students.
There are possible orders to sit the first year students.
All in all, there are ways in which 5 first year student and 5 second year student can be seated on a bench in a examination hall so that no two students of the same class are next to each other.
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