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SOURAV MISTRY

· started a discussion

· 1 Months ago

regarding wrong answer (Question: 189692.0 )

20 represent physics and chemistry without mathematics but 21 represent both the three subject....so what is the appropriate ans sir...

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)

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