State whether each of the following set is finite or infinite :
The set of numbers which are multiple of $5$
Which of the following sets are finite or infinite.
The set of positive integers greater than $100$
Let $A=\{1,2,3,4,5,6\} .$ Insert the appropriate symbol $\in$ or $\notin$ in the blank spaces:
$ 5\, .......\, A$
The number of non-empty subsets of the set $\{1, 2, 3, 4\}$ is
The set $A = \{ x:x \in R,\,{x^2} = 16$ and $2x = 6\} $ equals