> If she had known the answer, would that make the question any better? Maybe yes, maybe no. Reasoning here is the implications which goes in single direction

> If she had known the answer, would that make the question any better? Maybe yes, maybe no. Reasoning here is the implications which goes in single direction only: since she doesn't know the answer we can conclude the question is bad; had she known the answer, the question might be good or it might still be bad.