Can you replace the question mark with a number?
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 43
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #riddles
First westward non-stop transatlantic flightIn 1930, the first non-stop airplane flight from Europe to the U.S. was completed as Capt. Dieudonne Coste and Maurice Bellonte of France arrived in Valley Stream, N.Y., aboard the Question Mark; it took 37 hours. |