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April 24, 2014

Homework Help: set

Posted by Andrew on Monday, January 30, 2012 at 8:45pm.

of 250 candidates writing a exam, 147 passed in math,150 pass in chemistry and 85 pass subjects
B)calculate the number of students who pass
i)pass math only
ii)pass chemistry only
iii)passed neither
iv)pass only one subject

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