February 19, 2017

Homework Help: Math

Posted by andrew on Monday, January 30, 2012 at 9:41pm.

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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