यदि Aऔर B दो ऐसे समुच्चय है क� – InterviewSolution

1.

यदि Aऔर B दो ऐसे समुच्चय है कि n(A) = 32. n(B) = 28 तथा n(AOB) = 50| तो n(ADB) ज्ञात करें-

Answer»

Given,n(A) = 32, n(B) = 28, n(AuB) = 50

Then, n(AnB) = n(A) + n(B) - n(AuB) = 32 + 28 - 50 = 60 - 50 = 10

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