Henry Ernest Dudeney/Puzzles and Curious Problems/234 - Pile Driving

Puzzles and Curious Problems by Henry Ernest Dudeney: $234$

Pile Driving

During some bridge-building operations a pile was being driven into the bed of the river.

A foreman remarked that at high water a quarter of the pile was embedded in the mud,

one-third was under water,

and $17$ feet $6$ inches above water.

What was the length of the pile?

Sources

• 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Geometrical Problems: Various Geometrical Puzzles: $234$. -- Pile Driving