Mathematics, 20.12.2021 15:50, carlosiscr7

In a class of 94 students taking mathematics biology and chemistry, equal number of students are taking only 2 subjects. The number of students taking maths, biology and chemistry are40,35 and38 respectively. Seven students are taking maths and biology. Find I. The number of students taking all courses
II. the number of students taking maths biology and chemistry
III. The number of students taking biology and chemistry

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In a class of 94 students taking mathematics biology and chemistry, equal number of students are tak...