There are 3P2 = 6 ways to pick the chairman and treasurer.
If the other three positions are also specific, then there are 3! ways to seat them, as well. You're kind of unclear on just how the group is to be formed.
google is always a good resource when searching for general examples and discussions.
1.A group of five people consists of two women.Alice,Betty, and three men, Carl,David and Ed. Find the number of ways in which this can be done if the chairperson and treasurer are both men.
I used here permutation.How can I find in such question I can use permutation.
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