Question

*If n( A) = 15 , n(B) = 12 . A and B are disjoint sets then n ( A ∩ B ) = ?* 1️⃣ 27 2️⃣ 15 3️⃣ 12 4️⃣ 0​

Answer 1

option 4 zero

because dis joint set do not have any common number that's why there is no intersection set