If P(X) = 1, P(Y) = 1and P(X ∩ Y) = 1,the value of P(Y/X)

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If P(X) = 1 , P(Y) = 1 and P(X ∩ Y) = 1 ,the value of P(Y/X) is
4 3 12

1. 1
  4
2. 4
  25
3. 1
  3
4. 29
  50

Correct Option: C

P(Y / X) =	P(X ∩ Y)	=	1		=	1
			12

	P(x)		1			3
			4