Which of the following are examples of the null set

$\{ x:x$ is a natural numbers, $x\, < \,5$ and $x\, > \,7\} $

Vedclass pdf generator app on play store
Vedclass iOS app on app store

$\{ x:x$ is a natural numbers, $x\, < \,5$ and $x\, > \,7\} $ is a null set because a number cannot be simultaneously less than $5$ and greater than $7$

Similar Questions

Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?

$\{1,2,5\}\subset A$

Write the following sets in the set-builder form :

${\rm{\{ 5,25,125,625\} }}$

State which of the following sets are finite or infinite :

$\{ x:x \in N$ and $2x - 1 = 0\} $

Let $A, B,$ and $C$ be the sets such that $A \cup B=A \cup C$ and $A \cap B=A \cap C$. Show that $B = C$

The number of non-empty subsets of the set $\{1, 2, 3, 4\}$ is