Question

find the probability of choosing either a black card or queen card from deck of cards

Answer 1

probability of choosing either a black card or queen is :-

no of possibilities = 28 (26 black cards and 2 extra queen cards)

no of total outcomes = 52

probability = possibilities / no of total outcomes
                   =  28/52
 
                   = 14/26
                   =  7/ 13

ans is = 7/13

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Answer 2

answer is 15/26 because 26+4= 30 total 52 so 30/52