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URVASHI GOSWAMI

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· 1 Months ago

answer is 21

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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