A clock is started at noon. By 10 minutes past 5, the hour hand has turned through:
A) 145 B) 150
C) 155 D) 160
Answer: C) 155 Explanation:
Angle traced by hour hand in 12 hrs = 360º.
Angle traced by hour hand in 5 hrs 10 min. i.e., 31/6 hrs = (36012*316)∘36012*316°= 155º