Question

in a comittee ,60 people speak English 30 speak Hindi and 15 speak both English and Hindi .how many speak at least one of these two languages​

Answer 1

Step-by-step explanation:

Let H = People who speak Hindi

E = People who speak English

According to the questions,

n(H)=30,n(E)=60,n(H∩E)=15

∴ Number of people who speak at least two language = n(H∪E)

=n(H)+n(E)−n(H∩E)

=30+60−15=75