Clock Needles Overlapping

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?




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Pronounced as one letter,
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I am black blue and grey,
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O_er_t_o_

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Amazing Facts

Out of the Box

The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.