Problem - 4643
$\textbf{Angle on a Clock}$
The time is $3:15$ now. What is the measurement of the angle between the hour and the minute hands?
$\textbf{Answer}$
It is $360\div 12\div 4 = \boxed{7.5^{\circ}}$.
$\textbf{Note}$
Watch out the trap if you think the answer is simply $0^{\circ}$.