Replace the question mark with a number
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 104
The first user who solved this task is Rutu Raj.
#brainteasers #math #riddles
U.S. Federal dry docksIn 1829, the cornerstone was laid for the a dry dock, at Boston, Mass., on which construction had started in Jun 1827. This project, together with another at Norfolk, Virginia, were authorized by act of Congress on 28 Mar 1827. Their construction used piles as foundations, and were built of stone faced with cut granite. The Boston dry dock was completed in 1833, and the Norfolk dry dock the following year.«* |