One card is drawn from a pack of 52 cards . find the probability of the card drawn is either black or king

Total number of cards =52Total number of possible outcomes = 52Number of black cards = 26Number of kings = 4Number of black kings = 2Number of favourable outcomes = 26 + 4 - 2 = 28Pdrawing either a black card or a king = Number of favourable outcomesNumber of favourable outcomes = 2852 = 713

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