Which of the following sets are finite or infinite.
The set of prime numbers less than $99$
In the following state whether $\mathrm{A = B}$ or not :
$A = \{ 2,4,6,8,10\} ;B = \{ x:x$ is positiveeven integer and $x\, \le \,10\} $
The number of non-empty subsets of the set $\{1, 2, 3, 4\}$ is
In the following state whether $\mathrm{A = B}$ or not :
$A = \{ x:x$ is a multiple of $10\} ;B = \{ 10,15,20,25,30 \ldots \ldots \} $
The set $A = \{ x:x \in R,\,{x^2} = 16$ and $2x = 6\} $ equals