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2015-06-30T17:58:45+05:30
Let A denote no. of student who pass in physics
let B denote no. of student who pass in mathematics
According to question
n(A)= 55
n(B)=67
n(A union B)=100
n(A intersection B)= n(A) +n(B)-n(A union B)
55+67-100
122-100⇒22
no. of student who passed only in physics is given by n(A)-n(A intersection B)⇒55-22=33
1 5 1
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