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25-01-2019
Mathematics

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How many ways can two cards be selected from a standard deck of 52 cards if order is not important

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25-01-2019

Answer: 1326: 52 ways to pick the first card, 51 ways to pick the second, divided by two ways to rearrange the result. Also known as combinations of 52 things taken 2 at a time, 52!/(2!50!) = 52×51/2 = 1326

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