यदि P(A) तथा 3/8, P(B) = ½ तथा P(A∩B)=1/4 हो तो P(A∪B) होगी –

  • 1

    4/7

  • 2

    5/8

  • 3

    5/9

  • 4

    3/7

Answer:- 2

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