In a community of $175$ persons, $40$ read TOI, $50$ read the Samachar Patrika and $100$ do not read any. How many persons read both the papers.

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Solution

Let $x$ no. of people read both the newspapers. Since $100$ do not read any, no. of people reading both or either of newspapers $= 175 - 100 = 75$
$∴ (40 - x) + x + (50 - x) = 75 \Rightarrow x = 15$

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In a community of 175 persons, 40 read TOI, 50 read the Samachar Patrika and 100 do not read any. How many persons read both the papers.

Let x no. of people read both the newspapers. Since 100 do not read any, no. of people reading both or either of newspapers=175−100=75∴(40−x)+x+(50−x)=75⇒x=15

In a community of $175$ persons, $40$ read TOI, $50$ read the Samachar Patrika and $100$ do not read any. How many persons read both the papers.

Let $x$ no. of people read both the newspapers. Since $100$ do not read any, no. of people reading both or either of newspapers $= 175 - 100 = 75$
$∴ (40 - x) + x + (50 - x) = 75 \Rightarrow x = 15$