If nP-25 n P- Q -5 then the value of nP-Q is

The correct option is C 20 Given n(P)=25 n(P∩ Q)=5 n(P Q)=n(P) n(P∩ Q) #160; #160; #160; #160; #160; =25 5 #160; # ...

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Cardinality

If nP=25 ...

Question

If $n (P) = 25$ & $n (P \cap Q) = 5$ then the value of $n (P - Q)$ is

10

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20

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25

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ξ P \cup Q \cup R .

(ξ)

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\cap R

a n d

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