+1 vote
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How many ways $4$ men and $3$ women can speak at a conference so that women speakers are grouped together?

1. $720$

2. $488$

3. $360$

4. $120$
edited ago | 53 views

Assume all 3 women as a single group.

Now, you can arrange 4 men and 1 group of women in a particular order in 5! Ways.

T e internal arrangement of women can be done in 3! Ways.

Total possible arrangements = 5! * 3! = 120 * 6 = 720
answered by (18 points)