I don't quite understand your question as worded but that has neve stopped me from answering yet! [img]/forums/images/icons/smile.gif[/img]

A) 3
B) 4
C) 2

Jimbo

Now if you are asking what is the minimum number of socks you must draw before you are assured of retrieving 2 red socks my answer to C) would be 16. If you are asking how many before it is more likely than not that you will have 2 red socks, I'll leave that to the real mathmaticians.