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In a survey of 100 persons …

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In a survey of 100 persons it was found that 28 read magazinescA,30read magazines B and42read magazines C,8 read magazine A&B,10readA&C,5readB&C,and 10read all three magaxinr How many read none of three magazine
  • 2 answers

Yash Satya 6 years, 3 months ago

Use formula of three sets, find union And then subtract from universe (100)

Yash Satya 6 years, 3 months ago

13
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