great question need help!

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Source: — Problem Solving |

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by pops » Mon Jun 29, 2009 12:23 am
actually the question posted here is incomplete as it is missing "at least one must teach french"
in that case the question is to select 3 teachers from 10 which is
10C3 = 120

otherwise if at least one french teacher is to be selected then the above solution is perfect :-)

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by shanmugam.d » Mon Jun 29, 2009 1:21 am
I think the question is missing that part. because i feel i had come across this question