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May 28, 2015

Homework Help: Math

Posted by Therese on Friday, February 22, 2013 at 8:53am.

Out of 4 architects, 6 engineers and 9 electricians, how many ways can a group of 6 people be formed to attend a forum if:
a. there is an equal number of architects, engineers and electricians
b. two particular engineers cannot be in the committee?
c. there are at least 3 electricians?

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