It is not known.
It depends on the difficulty of the puzzle. Generally, over 10 hours.
how long did it take to complete the liberty bell monument
There is no record of such a detail.
It is impossible to know.
It might have been possible to answer the question is you had had the time to complete the question!
2 years
4 years
his mum and dad
about as long as a piece of string
2 years 4 months and 26 days
How long did it take Juan ponce DE Leon to complete his journey?
Not long at all.