Electronic Musical Instruments

The ratio of angular velocity of clock hands to indicate hour, minute, and second in analogue watch is?

Choose the right answer and give the solution please?
a.1:6:12
b.1:12:18
c.1:12:3
d.1:12:360
e.1:12:720

they do one rotation in 12 hours, 1 hour, 1 minute.
converting to minutes, 720, 60, 1
angular velocities are 360/720, 360/60, 360/1 in degrees per minute

so the ratio is 360/720, 360/60, 360/1
We can multiply by 720/360 to get whole numbers.
1:12:720
(e)

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