*If n( A) = 62 , n(B) = 54 . A and B are disjoint sets then n ( A ∩ B ) = ?*

1️⃣ 62
2️⃣ 0
3️⃣ 54
4️⃣ 116

1 thought on “*If n( A) = 62 , n(B) = 54 . A and B are disjoint sets then n ( A ∩ B ) = ?*<br /><br />1️⃣ 62<br />2️⃣ 0<br />3️⃣ 54<br />4️⃣ 116”

1. Step-by-step explanation:

   given n(A) = 62 and n(B) = 54

   n(AnB) = n(A) + n(B) – n(AuB)

   = 62 + 54 – 0

   here, A and B are disjoint sets

   therefore n(AuB) = 0

   = 116

   answer : Option – 4

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