Which number should replace the question mark?
FUNNY MATH: Which number should replace the question mark?Correct answers: 37
The first user who solved this task is Sanja Šabović.
#brainteasers #math #riddles
Telephone demonstrationIn 1877, a pianist performed in Philadelphia, and an audience heard the performance in New York. It was an important early demonstration of Alexander Graham Bell's new invention, the telephone. |