This Venn Diagram represents the Science subjects studied by students. Biology Students a) Physics How many students study all 3 sciences? 5 1 b) How many study Physics? 4 3 8 9 c) 2 Chemistry d) How many study Biology or Chemistry or both? How many students are there in total?

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Using the Venn diagram, the region where the three circles of Biology, Chemistry and Physics denotes number of students that studied the three subjects.

Therefore,

a) 4 students studied the three sciences.

b) Number of students who studied Physics

= sum of all the numbers inside the circle of Physics

= 1 + 4 + 4 + 8

= 17

c) Number of students that studied Biology or Chemistry or both = sum of all the figures insides the circle of both Biology and Chemistry

= 1 + 3 + 4 + 5 + 8 + 9

= 30

d) Number of students in total = summation all the figures inside the diagram

= 4 + 5 + 9 + 1 + 3 + 8 + 4 + 2

= 36