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प्रश्न
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is either a black card or a king
उत्तर
Let S denote the sample space.
Then, n(S) = 52
Let E2 = event of drawing either a black card or a king
There are 26 black cards including two black kings and there are two more kings.
Therefore, there are 28 cards in which there is a black card or a king.
i.e. n (E2) = 28
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