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Superimposition (Posted on 2004-01-30) Difficulty: 3 of 5
At exactly 12:00, the hour, minute, and second hands are all pointing straight up.

Are there any other times that all three hands are superimposed?
If so, when?

See The Solution Submitted by DJ    
Rating: 3.4000 (10 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Equations | Comment 1 of 10
If the time was H:M:S
I managed to get:
H + M/60 + S/3600 = M/5 + S/300 = S/5
and from there proved that 2=2....

  Posted by Jils on 2004-01-30 08:45:09
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