Puzzles and Brain Teasers Pop Quiz

Sam went to bed at 8:30pm, and wound up his old wind-up alarm clock. He set it to wake him up at 9:00am. How many hours sleep did Sam get?
Choose the right answer:
Option A None of these options
Option B 12 hours, 30 minutes
Option C 30 minutes
Option D 5 hours
 Stevey711 posted over a year ago
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