Question
Download Solution PDFIf M and B are two sets, such that M ∩ B has 15%, M has 35% and B has 25%, how many percentage does M U B have ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
n(A ⋃ B) = n(A) + n(B) – n(A ⋂ B)
Calculation:
Here, n(M ∪ B) = 15% , n(M) = 35%, n(B) = 25%
n(M ⋃ B) = n(M) + n(B) – n(M ⋂ B)
⇒ n(M ⋃ B) = 35 + 25 - 15
= 45%
Hence, option (3) is correct.
Last updated on Jun 30, 2025
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