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If it is two hours later - Math Riddle

81.Math Riddles
If it is two hours later, then it will take half as much time till it's midnight as it would be if it were an hour later. What time is it?
  • A.9:00AM
  • B.4:00PM
  • C.10:00PM
  • D.9:00PM
    • Explanation :  
      9 pm, or 21.00 if you prefer military time.
      If it were two hours later, it would be 11 pm (23.00) — and one hour to midnight.
      If it were one hour later, it would be 10 pm (22.00) — and two hours to midnight.
      So, if it were two hours later than it currently is, it would take half as much time to reach midnight as it would if it were one hour later. It’s 9 pm.