in a group of 60 person, 45 persons speaks bengali , 28 speaks english and all the persons speaks atleast 1 language . find how many people speaks both bengali and english
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Answered by
1
Answer:
13
Step-by-step explanation:
Let us assume ξ be the group of persons Let us assume P be the persons who speak Bengali And also assume that Q be the persons who speak English From the question,
n(ξ)=60
n(P)=45
n(Q)=28
n(P∪Q)=60
Then, n(P∩Q)=n(P)+n(Q)−n(P∪Q)
=45+28−60
=13
Answered by
0
Answer:
I am fine dear
nice to meet you
what is your name
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