There are150 had been exposed to the chemical A, 74to the chemical B, – InterviewSolution

1.	There are150 had been exposed to the chemical A, 74to the chemical B, and 36 to both chemicalsand B, find the number of persons exposed260 persons with a skin disorder. Iftoi) Chemical A but not Chemical Bii) Chemical B but not Chemical Aiii) Chemical A or Chemical B
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