NPR Sunday Puzzle (Oct 29, 2023): My Alarm Didn’t Go Off…
NPR Sunday Puzzle (Oct 29, 2023): My Alarm Didn’t Go Off… Q: The time 6:29 on a digital clock, ignoring the colon, also reads 6:29 upside down. How many times in a day can a digital clock, ignoring the colon, read the same right side up as upside down? We […]
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