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One of the easiest ways to take a multiple choice math test is to work backward from the given answers. You hardly even have to know what you're doing; just plug the answers into the question.

I don't think any of my classmates or teachers ever figured that out. They just thought I was smart for finishing early with 100% correct. Which, in a way, I guess I was, but not the way they thought.

"(E) None of the above" is an easy way to solve that problem and is commonly used on standardized tests.

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