Problems like:
Nicole needs to form a committee of 3 from a group of 8 research attorneys to study possible court changes. If two of the attorneys are too inexperienced to serve together on the committee, how many different arrangements of committees can be formed?
OR
John, Bill, Chaz, Greg, and Peter are going to be seated on a bench together. Knowing that John and Bill can never sit together, how many different arrangements of seating can there be?
These problems just suck for some reason. I seem to be doing fine overall for quant prep so far because most things have general concept application, but these just aren't clicking for me. Can someone help explain a good way of attacking these?
THANKS!