Which of the following sets are equal? :...

Which of the following sets are equal? :
P = {x | x in W, x is a multiple of 2} :
Q = {x | x is an even number, x > 1} :
R = {x | 2x = n, n in N}

A

P and Q

B

P and R

C

Q and R

D

P,Q and R

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