What fraction of a clockwise revolution does the hour hand of a clock turn through when it goes from $12$ to $9$

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Solution

When we go from $12$ to $9$

We move $9$ hours

$= \frac{9}{12}$ revolution

$= \frac{3}{4}$ revolution.

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What fraction of a clockwise revolution does the hour hand of a clock turn through, when it goes from
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