Question

Which of the following sets is non-empty?

{x:x is a positive even integer and a prime}

{x:x is a natural number and x<5, x>10

{x:x is a whole number and x<0}

{x:x is a natural number and x <0}​

Answer 1

Which of the following sets is non-empty?

{x:x is a positive even integer and a prime}

{x:x is a natural number and x<5, x>10

{x:x is a whole number and x<0}✔️

{x:x is a natural number and x <0}