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100 points for $49 worth of Veritas practice GMATs FREE VERITAS PRACTICE GMAT EXAMS Earn 10 Points Per Post Earn 10 Points Per Thanks Earn 10 Points Per Upvote ## The game of blackjack is played with a deck consisting... tagged by: AAPL ##### This topic has 1 expert reply and 0 member replies ### Top Member ## The game of blackjack is played with a deck consisting... The game of blackjack is played with a deck consisting of 13 cards ( one of each of the numbers 2-10, one jack, one queen, one king and one of ace) in each of fours suits: clubs, diamonds, hearts, and spades. In a game of blackjack, if your first card is spade, what are the odds that it is an ace? A. 1/52 B. 1/26 C. 1/13 D. 1/4 E. 5/13 The OA is C. I don't have clear this PS question, the correct answer should be option D, because there are 4 aces only. I appreciate if any expert explain it for me. Thank you so much. ### GMAT/MBA Expert Legendary Member Joined 14 Jan 2015 Posted: 2667 messages Followed by: 122 members Upvotes: 1153 GMAT Score: 770 AAPL wrote: The game of blackjack is played with a deck consisting of 13 cards ( one of each of the numbers 2-10, one jack, one queen, one king and one of ace) in each of fours suits: clubs, diamonds, hearts, and spades. In a game of blackjack, if your first card is spade, what are the odds that it is an ace? A. 1/52 B. 1/26 C. 1/13 D. 1/4 E. 5/13 The OA is C. I don't have clear this PS question, the correct answer should be option D, because there are 4 aces only. I appreciate if any expert explain it for me. Thank you so much. We know that first card is a spade. So imagine a deck consisting solely of this suit. There'd be 13 cards. 1 of them would be an ace. So the probability of selecting an ace, given that we've selected a spade, would be 1/13, or C You may have inadvertently rewritten the question in your head. If the question had been "If the first card selected is an ace, what is the probability that this card is also a spade?" then the answer would have been 1/4. (Imagine a deck that consisted solely of aces. Now you've got a deck consisting of 4 cards, 1 of which is a spade.) _________________ Veritas Prep | GMAT Instructor Veritas Prep Reviews Save$100 off any live Veritas Prep GMAT Course

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