# Business Static - Probability [closed]

Two cards were drawn, without replacement, from a pack of 52 cards. What is the probability that they are both Kings or both Queens ?

## closed as off-topic by Did, Davide Giraudo, Jack's wasted life, iadvd, user223391 Oct 29 '16 at 5:37

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• What is the probability that the first card is a king ? – callculus Oct 25 '16 at 16:25

Probability that first drawn Card is a king $= \frac{4}{52}$ and card is not replaced then, probability of second card being king $= \frac{3}{51}$
P(both are kings) $=\frac{4}{52}*\frac{3}{51}$,Similarly P(both are queens) $= \frac{4}{52}*\frac{3}{51}$
So required probability $= \frac{4}{52}*\frac{3}{51} +\frac{4}{52}*\frac{3}{51} = 2*\frac{4}{52}*\frac{3}{51} = \frac{2}{221}$