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# Taking a set of chess pieces (2 Kings, 2 Queens, 4 Bishops, 4 Knights, 4 Rooks and 16 Pawns) and place them in a bag.

Taking a set of chess pieces (2 Kings, 2 Queens, 4 Bishops, 4 Knights, 4 Rooks and 16 Pawns) and place them in a bag.

What is the probability of pulling out 2 knights assuming the first one is not replaced?

What is the probability of pulling out 2 knights assuming the first one is replaced?