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Unformatted text preview: three are numbers. How many license plates can be made if (i) all letters and numbers may be used? (ii) no two letters can be the same? Permutations and Combinations 1. A child has seven blocks of which three are red, two are blue, one is green, and one is white. If the child puts the blocks in a line, how many arrangements are possible? 2. How many ways can a team consisting of ve players be chosen from nine players if, when a certain player A is chosen, then player B must also be chosen?...
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