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Can you explain? The verbal section consists of antonyms, analogies, sentence completion, and reading comprehension. I don't know much about discreet math. How does it apply in this case?
The antonyms and analogies are usually a matter of figuring out which of the answers is a valid type- for instance, most of the antonyms will have 2 or 3 words that actually mean the opposite, but only 1 will be the same figure of speech, and usable in the same type of sentance. It's basically like acting as a compiler and finding type mismatch errors. As for the sentence completion, the task is to memorize a set of…
This is exactly how I answered many questions in the Verbal section. (Score: 800 (verbal) 790 (quant) 6.0 (writing)).
as for knowing difficult words, I found that reading a lot helps (vs memorizing word lists). You've seen most words in context before, which helps to distinguish between similar words with different shades of meaning and so on.