30. 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:
Angle traced by hour hand in
12 hrs =360°
Angle traced by hour hand in
5 hrs 10 min = 31 / 6 hrs
=[360 / 12 x 31 / 6]
= 155°.
