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Three cards are drawn successively, without replacement from a pack of 52 well shuffled cards. What is the probability that first two cards are kings and the third card drawn is an ace?

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Probability(first two cards are kings and third card is ace)=P(king)xP(king)xP(ace)
Probability(first two cards are kings and third card is ace)=`4/52 xx 3/51 xx 4/50=2/(13 xx 17 xx25)`
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