An accurate clock shows 8 o’clock in the morning. Through how many degrees will the hour hand rotate when the clock shows 1 o’clock in the afternoon? Select:
A) 60°
B) 150°
C) 180°
D) 320°
E) None of these
Sol.   Angle traced by the hour hand in 5 hours = [360/12 * 5= 
<gadget id="calculator">360/12 * 5</gadget>
<output>150</output>
150°   Answer 150°
<result>B</result>
An accurate clock shows 8 o’clock in the morning. Through how many degrees will the hour hand rotate when the clock shows 1 o’clock in the afternoon?