If $A, B$,and $C$ are three sets,then $A \times (B \cup C)$ is equal to

Which of the following is a true statement?

If $A, B,$ and $C$ are three sets,then $A \cap (B \cup C) =$

Which of the following is a set? Justify your answer.
$A$ collection of novels written by the writer Munshi Prem Chand.

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

In a city,no two persons have an identical set of teeth,and there is no person without a tooth. Also,no person has more than $32$ teeth. If we disregard the shape and size of the teeth and consider only the presence or absence of a tooth at each of the $32$ positions,then the maximum population of the city is: