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[" 38.Inatownof "10,000" families,it was...

[" 38.Inatownof "10,000" families,it was found that "40%" families buy newspaper "A,20%" families buy newspaper "B],[" and "10%" families buy newspaper "C.5%" families buy Aand "B,3%" buy "B" and "C" and "4%" buy A and "C" .If "2%],[" families buy all the newspapers,find the number offamilies which buy (i) Aonly (iii) none of "A,B" ,and "C" ."]

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