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50 housekeepers were asked on what detergent soap they prefer in washing clothes.Here is the summary of their responses: 20 like brand A , 24 like brand B

, 30 like brand C , 8 like both brand A&B , 11 like both A&C , 17 like both B&C , 6 like all three. 1) How many like brand A only? Brand B only? Brand C only? 2) How many do not like any of the three brands?


Brand A only=7 like  Brand B only=5 like  Brand C only=8 like   6 do not like any of the three
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