In a certain city of 15000 families, 3.5% of families who read A but not B look into advertisements, 25% of the families who read B but not A look into advertisements and 50% of the families, who read both A and B look into advertisements. It is known that 8000 families read A, 4000 read B and 1000 read both A and B. Find: 1. The number of families who look into advertisements? 2. The number of families who read none of the newspaper? 3. The number of families who read atmost one of the newspap

In a certain city of 15000 families, 3.5% of families who read A but n

1.	In a certain city of 15000 families, 3.5% of families who read A but not B look into advertisements, 25% of the families who read B but not A look into advertisements and 50% of the families, who read both A and B look into advertisements. It is known that 8000 families read A, 4000 read B and 1000 read both A and B. Find: 1. The number of families who look into advertisements? 2. The number of families who read none of the newspaper? 3. The number of families who read atmost one of the newspap
Answer» In a certain city of 15000 families, 3.5% of families who read A but not B look into advertisements, 25% of the families who read B but not A look into advertisements and 50% of the families, who read both A and B look into advertisements. It is known that 8000 families read A, 4000 read B and 1000 read both A and B. Find: 1. The number of families who look into advertisements? 2. The number of families who read none of the newspaper? 3. The number of families who read atmost one of the newspap

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