This link is to study.com's website on rhetorical skills.
This link provides three basic skills to avoid pitfalls of the rhetorical questions.
This link is to a video that will provide excellent strategies on the Production of writing question.
This link is to a Method Test Prep video on rhetorical skills. Skip to about 4:22 to get to specifics of rhetorical skills.
This link is to a Method Test Prep blog on how to best answer trap reading questions.