In a colony 100 persons speak Hindi, 90 speak English, 80 speak Urdu, 40 speak Hindi and Urdu, 30 speak Urdu and English, 25 speak Hindi and English. If 10 person speak all the 3 language, than total person in the colony, who speak only one language
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Step-by-step explanation:
No. Of persons who speak only one language are
Hindi=100
English=90
Urdu=80
Hence, total no. of people who speak only hindi , English and Urdu = 100+90+80
=270
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