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Preliminary exam CSAT March 18

1. 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?

a) 37.5% b) 50% c) 62.5% d) 75%

General Studies

Political Science and International Relations

Sociology

Some Reference Essays

List of previous year essay topics (1997-2019)

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