Can you replace the question mark with a number?
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 62
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #riddles
Neil ArnottBorn 15 May 1788; died 2 Mar 1874 at age 85.Scottish physician and scientist who invented a water-bed for the comfort of patients during a prolonged illness. He is also known for his invention of the economical Arnott stove, which he called a thermometer-stove with a self-regulating fire.« |