[HOWMANY]

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The second step is to find spots where you have groups of questions where one is the right answer. You can have two questions and you KNOW the answer to one of them is C, answer C for both. Dont try to be a guessing hero.

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Isn't this just reducing variance by taking 50% on the two questions? If you're trying to be a "guessing hero" then it's probably because you feel a little more than 50% sure about which one's correct, in which case you'll experience more variance but get more questions right in the long run.

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There could be 2 questions with the same set of 4 answers for both and you know that one of the choices is correct for one of the questions but you're completely clueless on the other 3 choices so the best decision here is to fill in the one you know is the correct answer for one of the questions instead of trying to be a hero and guess which question the guaranteed answer is for and then picking from the other 3 and guessing which one it answers as well.