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### Discussion :: Clock

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

2.  A. 145° B. 150° C. 155° D. 160°

Angle traced by hour hand in 5 hrs 10 min. i.e.,$$\frac {3 1 } {6}$$hrs=[$$\frac { 360 } { 12 }$$x$$\frac {3 1 } { 6 } ]^o$$== 155°.