Question

If set A has p element and set B has q elements, then the number of element in set (A $\times$ B) is _____.

• A. $\frac{P}{q}$
• B. $p^q$
• C. $p\times q$
• D. $q^p$

Answer 1

The correct option is C

$p\times q$

Number of element in set A n(A) =p

Number of element in set B n(B) = q

Number of element in set (A $\times$ B)

n(A $\times$ B) = Number of element in set A $\times$ Number of element in set B