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Easy Counting problem [#permalink]
13 Sep 2006, 14:43

Hi,

I have this problem and i don't know whether it is rightly written. If somebody has the actual wordings , please post it with explanation. One of my friends encountered this problem in real GMAT.

50 students choose a president and a treasurer.

a) No restrictions
b) A will serve only if he is president.
c) B and C will serve together or not at all.
d) D and E will not serve together.

Please provide the complete explanation also , along with real wordings of the problem.

Q. 50 students are to choose a President and a Treasurer. Find the number of ways they can choose if:

a) there are no restrictions
b) A will serve only if he is president.
c) B and C will serve together or not at all.
d) D and E will not serve together.

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