Question

A clock is started at noon. By 20 minutes past 5 PM on the same day, the angle through which the hour hand has turned is​

Answer 1

60 degree

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Answer 2

We know that angle traced by hour hand in 12 hrs = 360°

So angle traced in 1 hours = 360/12 = 30°

Time duration from noon to 20 minutes past 4 = 4 hours 20 minutes = 4 hour + 20/60 hours = 13/3 hours

Angle traced in 1 hours = 360/12 = 30°

Hence the angle traced by hour hand in 13/3 hours = 130°