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in Combinatorics and Mathematical Induction by (49.1k points)
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The number of ways of choosing 5 cards out of a deck of 52 cards which include at least one king is …..

(a) 52C5 

(b) 48C5 

(c) 52C5 + 48C5 

(d) 52C548C5

1 Answer

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by (46.9k points)
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Best answer

(d) 52C548C5

Selecting 5 from 52 cards = 52C5

Selecting 5 from the (non-king cards 48) = 48C5 

∴ Number of ways is 52C548C5 

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