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vivek kumar singh

· started a discussion

· 1 Months ago

wrong answer (Question: 189692.0 )

answer of this question should be 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)

Knowledge Expert

· commented

· 1 Months ago

Yes, given answer 20 is the correct.........

cheena goel

· commented

· 1 Months ago

read the question carefully, I had also done the same mistake

amit chandel

· commented

· 1 Months ago

21 should be the answer
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