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In a competitive exam 50 students passed in English. 60 students passed in Mathematics
40 students passed in both the subjects. None of them fail in both the subjects. Find the
number of students who passed at least in one of the subjects ?


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Answer :

enochdemigod27

Answer:

30

Step-by-step explanation:

let n(m)=50

n(E)=60

n(mnE)=40

:. (50-40)+ (60-40)=30

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