Question
In a committee 50 people speak French, 20 speak Spanish and 10 speak both Spanish and French. The number of persons speaking at least one of these two languages is
Answer: Option A
:
A
n(S∪F) = n(S)+n(F)−n(S∩F)
⇒n(S∪F) = 20 + 50 -10 = 60
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:
A
n(S∪F) = n(S)+n(F)−n(S∩F)
⇒n(S∪F) = 20 + 50 -10 = 60
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