Question

in a class of 60 students 30 like maths 25 like physics 30 like chemistry. if 10 like both physics and maths 5 like maths and chem and 5 like phy & chem and 3 like all the subjects. find student like none of subject of if
100 students were surveyed

Jun 8, 2016

Pls can u explain

Jan 16, 2020

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