Given, n(A)= 20, n(B)= 30 and n(A∪B) = 40 what is n(A∩ B)?
Given, n(A)= 20, n(B)= 30 and n(A∪B) = 40 what is n(A∩ B)?
From the BARI Assistant Maintenance Engineer November 2025 – Written exam, question 22 of 27.
Given, n(A)= 20, n(B)= 30 and n(A∪B) = 40 what is n(A∩ B)?
From the BARI Assistant Maintenance Engineer November 2025 – Written exam, question 22 of 27.