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Find the probability of getting a black queen when a card is drawn at random from a well-shuffled pack of 52 cards.

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152

126

113

125

answer is B.

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Detailed Solution

Given that, a well-shuffled pack of 52 cards and a black queen card is drawn at random.
So, the total number of outcomes i.e., sample space

n (s) = 52

.
Let the black queen card be a.
Number of black queen cards in a well-shuffled pack of cards is

n (a) = 2

.
We know that,
Probability

= n (a) n (s)

Therefore, probability of getting a black queen is

= n (a) n (s)

= 252

= 126

.
Therefore, the correct option is (2).

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