Multiple choice

How many positions are there on an ordinary clock with the hour hand and the minute hand in a coincident position?

  1. 11

  2. 12

  3. 55

  4. 60
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A Correct answer
Explanation

The hands of a clock coincide 11 times in every 12 hours because the overlap at 12:00 is counted once for both cycles.

AI explanation

The hands of a clock coincide 11 times in every 12-hour period. These 11 specific coincident positions are then repeated in the next 12 hours. Therefore, there are exactly 11 unique positions on an ordinary clock where the hands are coincident.

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