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put this solution on YOUR website!In how many ways can we select a class president from a group of 4 scholars, a secretary from a group of 3 girls and an adviser from a group of 3 professors?
sol :
(1 from 4) * (1 from 3) * (1 from 3)
so 4c1 * 3c1 * 3c1 = 36 ways