TSA 2010 · Question 7 · Logic
SaveA woman has to get up for work at seven o'clock in the morning. She wakes up and looks over at her digital clock. Unfortunately, the batteries are low and the figures on the display, showing hours and minutes, aren't showing up properly. All she can see is the display below:
It is light outside, so she cannot be more than twelve hours late. What is the greatest amount of time that she could be late waking up?