1.

Find the number of ways in which 10 doctor and 90 engineers can sit in a row having 100 chairs such that no doctor sit at either end of the row and between any two doctors, at least five engineers sit.

Answer»

Find the number of ways in which 10 doctor and 90 engineers can sit in a row having 100 chairs such that no doctor sit at either end of the row and between any two doctors, at least five engineers sit.




Discussion

No Comment Found