A group of students offers at least one of chemistry,physics, and biology.14 of them offers...
A group of students offers at least one of chemistry,physics, and biology.14 of them offers...
A group of students offers at least one of chemistry,physics, and biology.14 of them offers chemistry,12 offers Physics and 16 offers biology.7 offers biology and chemistry,6 offers chemistry and physics,4 offers Physics and biology only, while 5 offers all the three subjects.How many students are in the group.?
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