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Aptitude - Probability

There are three drawers in a table. One contains two gold coins,another two silver coins, and the third a silver coin and a gold coin. One of the drawers is pulled out and a coin is taken out. It turns out to be a silver coin. What is the probability of drawing a gold coin,if one of the other two drawers is pulled out next and one of the coins in it is drawn at random ?


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