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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

Posted by Tanu Thakur 4 years, 7 months ago

CBSE > Class 11 > Mathematics

2 answers

Yash Satya 4 years, 7 months ago

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

1Thank You

Yash Satya 4 years, 7 months ago

1Thank You

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CBSE > Class 11 > Mathematics