Angle between hour and minute hand at 2:42

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Angle made by hour hand:

       for 2 hours: 2*30 = 60

       for 42 mins: (42/60) * 30 = 21

       Total angle made by hour hand is: (60 + 21)= 81 degrees

Angle made by minute hand:

       for 42 min: 42*6 = 252 

       Total angle made by minute hand is: 252 degrees

The angle between the minute and hour hand is: (252-81) = 171 degrees

My question is about "why is 171 degrees a wrong answer" and the correct answer is 189 degrees

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Here is the right image of the clock. See the angle between hour and minute hand is measured in a counterclockwise manner, hence it is more than $180^{\circ}$.

enter image description here

2
On

The question asks for the angle between the hour and the minute, rather than the angle between the minute and the hour. See the diagram below for the discrepancy.

enter image description here