Good Question.This outs business is alittle confusing to me. Total number of possible hands made in the end or next card dealt. in the example K-10 flop 7-3-A dont know suit or unsuited? outs on turn pair of kings, pair of tens, pair of 7, pair of 3 ,and pair of A (5outs?) actually 2 outs because if 7 on turn trips, if 3 or A opponent has 2 pair. How does 4-2 rule work if you dont know the outs?