Seat 5 men and 4 women in a row such that the women occupy even places [closed]

It is required to seat 5 men and 4 women in a row such that women occupy even places. How many such arrangements are possible?

• Since this is a site that encourages learning, you will get much more help if you show us what you have already done. Could you edit your question with your thoughts and ideas? – 5xum Jan 6 '15 at 7:02

For your question, women have to occupy the even places, so the men must occupy the odd places. Hence the number of arrangements is $$4!\times5!$$