A card is drawn from an ordinary pack of playing cards and a person bets that it is a spade or an ace. What are the odds against his winning the bet.
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Answer:
9/13
Step-by-step explanation:
no of spades=13(an ace include)
no of aces left (other than ace of spades)=3
his odds agains, means probability of getting a card which is not ace or spade, i.e 52-(13+3)
=36
there probability=36/52
=9/13
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