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In a town 2000 families, it was found that 42% family buy THE HINDU newspaper and 52% family buy THE DNA newspaper. If 11% family buy both newspaper, then, find the number of families who do not buy any of these newspapers?

In a town 2000 families, it was found that 42% family buy THE HINDU newspaper and 52% family buy THE DNA newspaper. If 11% family buy both newspaper, then, find the number of families who do not buy any of these newspapers? Correct Answer 340

Given:

Total Families = 2000

Family who buy The Hindu newspaper = 42%

Family who buy THE DNA newspaper = 52%

Family who buy both newspaper = 11%

Concept:

Venn Diagram

Calculation:

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The family who buy The Hindi only = (42 – 11) % = 31 %

The family who buy The DNA only = (52 – 11) % = 41 %

The family who don’t buy any of these newspapers = (100 – 31 – 11 – 41)%

⇒ 17%

Given, 100% → 2000

⇒ 1% → 20

⇒ 17% → 340

∴ The number of families who do not buy any of these newspapers = 340

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