There are 260 persons with a skin disorder. If150 had been exposed to – InterviewSolution

1.	There are 260 persons with a skin disorder. If150 had been exposed to the chemical A, 74to the chemical B, and 36 to both chemicals Aand B, find the number of persons exposed toi) Chemical A but not Chemical Bi) Chemical B but not Chemical Aii) Chemical A or Chemical B
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