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Question Number 99606 by bemath last updated on 22/Jun/20
Commented by john santu last updated on 22/Jun/20
letMbethesetofthestudentspassinginMathematics,PbethesetofstudentspassinginPhysics&CbethesetofstudentspassinginChemistryNown(M∪P∪C)=50,n(M)=37n(P)=24,n(C)=43,n(M∩P)⩽19n(M∩C)⩽29,n(P∩C)⩽20⇒37+24+43−19−29−20+n(M∩P∩C)⩽50⇒n(M∩P∩C)⩽14.Thusthelargestpossiblenumberthatcouldhavepassedallthethreeexaminationis14◼
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