Find N(A)for the Set A $A = \{ x \mid x$

Multiple Choice

Find n(A) for the set A.
- $A = \{ x \mid x$ is a number on a clock face $\}$

A) $n ( A ) = 6$
B) $n ( A ) = 3$
C) $n ( A ) = 12$
D) $\mathrm { n } ( \mathrm { A } ) = 24$