A survey shows that $63\mathrm{\%}$ of the people in a city read newspaper $A$ whereas $76\mathrm{\%}$ read newspaper $B$ . if $x\mathrm{\%}$ of the people read both the newspapers, then a possible value of $x$ can be:

<p><strong><math><mi mathvariant="normal">m</mi><mi mathvariant="normal">a</mi><mi mathvariant="normal">x</mi><mo> {</mo><mi>n</mi><mo> (</mo><mi>A</mi><mo>)</mo><mo>, </mo><mi>n</mi><mo> (</mo><mi>B</mi><mo>)</mo><mo>}</mo><mo>≤</mo><mi>n</mi><mo> (</mo><mi>A</mi><mo>∪</mo><mi>B</mi><mo>)</mo><mo>≤</mo><mi>n</mi><mo> (</mo><mi>U</mi><mo>)</mo></math></strong></p><p><strong><math><mo>⇒</mo><mn>76</mn><mo>≤</mo><mn>76</mn><mo>+</mo><mn>63</mn><mo>-</mo><mi>x</mi><mo>≤</mo><mn>100</mn></math></strong></p><p><strong><math><mo>⇒</mo><mo>-</mo><mn>63</mn><mo>≤</mo><mo>-</mo><mi>x</mi><mo>≤</mo><mo>-</mo><mn>39</mn></math></strong></p><p><strong><math><mo>⇒</mo><mn>63</mn><mo>≥</mo><mi>x</mi><mo>≥</mo><mn>39</mn></math></strong></p>

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