Question 16

If the hour hand of a clock moves by $$18^\circ$$ then by how many degrees does the minute hand move during the same time?

Solution
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The hour hand of a clock moves by 30 deg when the minute had moved through 360 deg. Hence if the hour hand moves 18 deg, then the minute hand moves by $$\frac{360\times18}{30}$$ = 216 deg

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