How many times do the hands of a clock coincide in a day?
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Correct Answer: Option D
Detailed Explanation:
Concept: The minute hand moves 12 times faster than the hour hand.
In a 12-hour period, the hands coincide 11 times (at 12:00, ~1:05, ~2:11, ~3:16, ~4:22, ~5:27, ~6:33, ~7:38, ~8:44, ~9:49, ~10:55).
The next coincidence at 12:00 marks the start of the next cycle, so it is not counted twice.
In a 24-hour day (two 12-hour cycles): 11 × 2 = 22 coincidences.
Question 1 of 5 Calendar & Clock
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