1. A bag contains 10 pairs of socks (each pair of different colour). How many draws are required at the most to get a matching pair ?
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By: anil on 05 May 2019 02.41 am
In the worst case scenario, the first ten tries would be of different colours. The eleventh sock taken out should then definitely be of one the ten colours already drawn. Thus, a maximum of 11 tries are required to find a matching pair.
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