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7. Permutations and Combinations
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Q8 of 42 Page 156

Determine the number of 5-card combinations out of a deck of 52 cards if each selection of 5 cards has exactly one king.

A deck of cards has 4 kings.

The numbers of remaining cards are 52.


Ways of selecting a king from the deck = 4C1


Ways of selecting the remaining 4 cards from 48 cards= 48C4


Total number of selecting the 5 cards having one king always


= 4C1 × 48C4



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7. Permutations and Combinations
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