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In a locality of 500 people, …

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In a locality of 500 people, people speak Bengali, Urdu or both 270 speak Bengali only and 75 speak both Bengali and Urdu. how many of them speak Urdu. Also find how many speak Urdu only.
  • 1 answers

Loveneet Gulliya 6 years, 3 months ago

(AuB)=n(A)+n(B)-n(AΠB) 500=270-75+n(B) n(B)= 305
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