MATH PUZZLE: Can you replace...
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 277
The first user who solved this task is Donya Sayah30.
#brainteasers #math #riddles
AltimeterIn 1938, the radio altimeter was first demonstrated in New York by Bell Labs, in the first public display of the device that gives pilots the height of an aircraft above the local terrain by bouncing radio signals off the ground to give a reliable altitude reading, thus changing aviation forever. |