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by canuckclint » Sun Nov 30, 2008 4:08 pm
In a group of 68 students, each student is registered for at least one of three classes – History, Math and English. Twenty-five students are registered for History, twenty-five students are registered for Math, and thirty-four students are registered for English. If only three students are registered for all three classes, how many students are registered for exactly two classes?

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by Neo2000 » Sun Nov 30, 2008 4:41 pm
Already asked here

https://www.beatthegmat.com/how-many-students-t4320.html
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by Stuart@KaplanGMAT » Sun Nov 30, 2008 5:05 pm
Here's another thread:

https://www.beatthegmat.com/very-interst ... t9806.html

If you do a search on "68 students" a couple more will come up too.
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