Answer :

30 mins make 180deg.
hence 20 min makes,
20/30*180=120 deg

Based on the number of degrees that 60 minutes is, we can infer that 20 minutes will be 120°.

A total revolution around a clock is 360° and this translates to 60 minutes.

This means that every minute is:

= Number of degrees in total / Number of minutes in revolution

= 360 / 60

= 6° per minute

If there are 20 minutes, the number of degrees is:

= 6 x 20

= 120°

In conclusion, 20 minutes on the clock is 120°.

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