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sumanta Panigrahi

· started a discussion

· 1 Months ago

20 doesn't comes under Math...

Question:
The diagram below represents the students who study Physics, Chemistry and Mathematics.


Study the diagram and identify the region which represents students who study both Physics and Chemistry but not Mathematics.

Options:
A) 19
B) 20
C) 20+21
D) 21
Solution:
Ans: (b)

Knowledge Expert

· commented

· 1 Months ago

its obvious from the figure.........20 doesn't come under mathematics region..........

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