Escape RoomRiddle #1405
A month has five Fridays, five Saturdays and five Sundays. The two-digit code is the date of that month's last Thursday. What is it?
Hint: Five each of three days in a row means the month has 31 days. Which day must the 1st be?
Answer
28
Only a 31-day month starting on a Friday has five Fridays, Saturdays and Sundays. The Thursdays fall on the 7th, 14th, 21st and 28th.
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