A clock is started at noon. By 10 minutes past 5, the hour hand has turned through:
Option:
A. 145
B. 155
C. 157
D. 134
E. none of the above
Answer: B . 155
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Justification:
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
