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Question

A clock is started at noon. By 10 minutes past 5, the hour hand has turned through:

Options:
A .  145º
B .  150º
C .  155º
D .  160º
Answer: Option C

Angle traced by hour hand in 12 hrs = 360º.


Angle traced by hour hand in 5 hrs 10 min. i.e.,  \(\frac{31}{6}hrs=\left(\frac{360}{12}\times\frac{31}{6}\right)^{0}= 155^{0} \)


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