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0 / 60 seg.
If two hours ago it was as long after one o'clock in the afternoon as it was before one o'clock in the morning, what time is it right now?
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Clue
IT WOULD BE 9:00 PM. THERE ARE 12 HOURS BETWEEN 1:00 PM AND 1:00 AM AND HALF OF THAT IS SIX HOURS. HALF-WAY BETWEEN WOULD BE 7 O'CLOCK. TWO HOURS LATER IT WOULD BE 9:00 O'CLOCK
YOU WILL HAVE TO LIE AWAKE FOR 1 HOUR TO BE SURE OF THE TIME. THE STRIKE YOU HEARD WAS EITHER 1:00 AM OR SOME HALF HOUR. IF, AFTER ANOTHER HALF HOUR YOU HEAR TWO OR MORE STRIKES, YOU KNOW WHAT HOUR IT IS, BUT IF YOU AGAIN HEAR ONE STRIKE, YOU MAY HAVE HEARD SUCCESSIVELY 12:30 AM AND 1:00 AM OR 1:00 AM AND 1:30 AM. AFTER ANOTHER HALF HOUR YOU EITHER HEAR 1 STRIKE (1:30 AM) OR TWO STRIKES (2:00 AM)
THE TIME IS 9PM (OR 21:00 HOURS) RIGHT NOW. THERE ARE 12 HOURS BETWEEN THE 2 TIMES (1PM AND 1AM), AND HALF OF THAT TIME IS 6 HOURS. SO, THE HALFWAY MARK WOULD HAVE TO BE 7PM (1PM + 6 HOURS). IF IT WAS 7PM TWO HOURS AGO, THE TIME WOULD BE 9PM NOW
WHEN I SPOKE, SAY IT WAS X MINUTES AFTER 10 O'CLOCK - I.E, (60-X) MINUTES BEFORE 11 O'CLOCK. 58 - X = 2(X - 25) X = 36 THEREFORE, THE TIME WAS 10:36
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