In a room, there are $3$ rows of $3$ seats in each row. $6$ boys and $2$ girls are to be seated in t

Question

In a room, there are $3$ rows of $3$ seats in each row. $6$ boys and $2$ girls are to be seated in the room. Find the number of possible arrangements if there are no restrictions. [2] the $2$ girls must not occupy adjacent seats. [3] only $2$ girls sit in the last row. [2]

Accepted Answer

(i) $362880$ (ii) $302400$ (iii) $4320$

2010 ACJC CT1C

2010 ACJC CT1C

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