UPSKILL MATH PLUS

Learn Mathematics through our AI based learning portal with the support of our Academic Experts!

Learn more
1. If \(n(A) = 25\), \(n(B) = 40\), \(n(A \cup B) = 50\) and \(n(B') = 25\), find \(n(A \cap B)\) and \(n(U)\).
 
Answer:
 
\(n(A \cap B) =\)
 
\(n(U) =\)
 
2. If \(n(A) = 300\), \(n(A \cup B) = 500\), \(n(A \cap B) = 50\) and \(n(B') = 350\), find \(n(B)\) and \(n(U)\).
 
Answer:
 
\(n(B) =\)
 
\(n(U) =\)