A clock is started at noon. By 10 minutes past 5, the hour hand has turned through :
A
145 degree
B
150 degree
C
155 degree
D
160 degree
Correct Answer: 155 degree
Hints: Angle traced by hour hand is 12 hrs = 360degree Angle traced by hour hand in 5 hrs 10 min i.e, 31/6 hrs = 360/12 × 31/6 = 155 degree