Question

State which of the following are null or empty set?

$\left\{Cubeswith8faces\right\}$

Answer 1

A set that contains no member is called the empty set. It is also called the null set.

It is denoted by $\left\{\right\}$or $\phi$

Given set:

$\left\{Cubeswith8faces\right\}$

As we know there is only $6$ faces in the cube. There cannot be cube with $8$ faces.

Hence, The set of$\left\{Cubeswith8faces\right\}$ is Null or empty set.