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A Python script for improving mental maths
A bunch of tricks to speed up mental calculations. Really useful!
I’m not planning on taking the GMAT any time soon, but was curious to see what would be involved anyway. These notes are far from exhaustive - they’re just a few things that I want to remind myself of. Book: GMAT All the Quant by Manhattan Prep. Data sufficiency A. Statement (1) does allow you to answer the question, but statement (2) does not. B. Statement (2) does allow you to answer the question, but statement (1) does not.
