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Which one of the following is an example of non-empty set?

Mathematics 2013 NDA Mathematics 2013 NDA 2013

Options

A

Set of all even prime numbers

B

{x : x² – 2 = 0 and x is rational}

C

{x : x is a natural number, x < 8 and simultaneously x > 12}

D

{x : x is a point common to any two parallel lines}

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