Math, asked by navamibiju, 6 months ago

in a group of 400 people 250 can speak hindi and 200 can speak English and how many people can speak both hindi and English ​

Answers

Answered by harishsolanki5
1

Answer:

50 can only speak both

Step-by-step explanation:

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Answered by owootorianjolaoluwa
3

Answer:

50people

Step-by-step explanation:

Let H be the set of people who speak Hindi, and E be the set of people who speak English

∴n(H∪E)=400,n(H)=250,n(E)=200

n(H∩E)=?

We know that:

n(H∪E)=n(H)+n(E)−n(H∩E)

∴400=250+200−n(H∩E)

⇒400=450−n(H∩E)

⇒n(H∩E)=450−400

∴n(H∩E)=50

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