Sets, Relations and Functions

Question : 46 of 65

Marks: +1, -0

Complaints about works canteen had been about Mess (M) Food (F) and Services (S). Total complaints 173 were received as follows

{n}( {M})=110 ; {n}( {F})=55 ; {n}( {S})=67 ; {n}( {M} ∩ {F} ∩ {S}')

=20 ; n(M ∩ S ∩ F')=11 ; n(F ∩ S ∩ M')=16

Determine the complaints about all the three.

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