In a townin boy C. 5% families buy A and Bbuyof 10,000 families it is – InterviewSolution

1.	In a townin boy C. 5% families buy A and Bbuyof 10,000 families it is found that 40% families buy news paper Ambuy Band, 3% buy B and C and 4% buyAand C. 1f2%familiesall the three, then how many families bay (a) non? (b) at least one ?
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