In Jamshedpur,only two newspapers,Dainik Jagr | vedclass

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Question

(A) Let the total population of the city be $100$.People reading Dainik Jagran $= 25$.People reading Prabhat Khabar $= 20$.People reading both $= 8$.P

Vedclass · Accepted Answer

$13.9$

Vedclass · Answer

(A) Let the total population of the city be $100$.People reading Dainik Jagran $= 25$.People reading Prabhat Khabar $= 20$.People reading both $= 8$.People reading only Dainik Jagran $= 25 - 8 = 17$.People reading only Prabhat Khabar $= 20 - 8 = 12$.Percentage of people reading advertisements $= (	ext{Only Dainik Jagran readers} 	imes 30\%) + (	ext{Only Prabhat Khabar readers} 	imes 40\%) + (	ext{Both readers} 	imes 50\%)$.$= (17 	imes 0.30) + (12 	imes 0.40) + (8 	imes 0.50)$.$= 5.1 + 4.8 + 4.0 = 13.9\%$.Thus,$13.9\%$ of the population reads an advertisement.

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