If nP-25 nP - Q-5 the the value of nP-Q is

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

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If nP=25 ...

Question

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

10

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15

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20

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25

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Similar questions

P

Q, n (P) = 5, n (Q) = 4

n (P \times Q) =

ξ = P \cup Q \cup R

n (ξ) = 60, n (P \cap Q) = 5, n (Q \cap R) = 10, n (P) = 20

n (Q) = 23

n (P \cup R)

n (P \times Q) = 0

ξ P \cup Q \cup R .

(ξ)

n (P \cap Q) = 5

\cap R

a n d

f i n d

\cup Q

P = {x \in N : \frac{14 x}{x + 1} - (\frac{9 x - 30}{x - 4}) \leq 0},

Q = {x \in Z : | x - 1 | \leq 5 and | x - 1 | \geq 2}

R = {x \in R : {log}_{6} x + \frac{2}{{log}_{6} x}} = 3,

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