Financial Knowledge in Jeopardy

In a recent episode of Jeopardy all of the players failed to ask the correct question to a simple investing question. Of course, our listeners would have gotten it right.

Can an active 401k be moved to a cheaper IRA? Otherwise, what can be done to make better investments.

How can a Roth contribution be removed when income exceeds contribution limits?

What can be done about intermingled pre-tax and post-tax assets in a retirement plan? 

How does an investor pick the right index in which to invest?