A watch which gains uniformly is 2 minutes slow at 10:00 AM on Monday and is 2 1 2 minutes fast at 1:00 PM the following day. When did it show the correct time?
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A watch which gains uniformly is 2 minutes slow at 10:00 AM on Monday and is 2 1 2 minutes fast at 1:00 PM the following day. When did it show the correct time?