Can you replace the question mark with a number?
[6397] Can you replace the question mark with a number? - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 62 - The first user who solved this task is Nílton Corrêa de Sousa
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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
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Emergency Landing

At 8 p.m. one night, a pilot who had run out of fuel made an emergency landing at a top-secret government base. He was quickly surrounded by security and taken inside to be interrogated. The interrogation was grueling because they wanted to make sure it was an unplanned landing and he was not a spy.
The interrogation lasted all night. At 6 a.m. they refueled his plane and let him go with his promise never to return. Four hours later he returned and landed again.
Security met him on the runway. They asked him why he had come back.
'I know I promised never to return but I brought my wife and now you have to tell her where I was all night...'

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First astronauts selected

In 1959, NASA announced the selection of America's first seven astronauts for project Mercury. Scott Carpenter, Gordon Cooper, John Glenn, Gus Grissom, Wally Schirra, Alan Shepard and Donald Slayton were chosen from 110 applicants. Their training program at Langley, which ranged from a graduate-level course in introductory space science to simulator training and scuba-diving. Project Mercury, NASA's first high profile program, was an effort to learn if humans could survive in space. NASA required astronaut candidates to be male, not over 40 years old, not more than 5' 11" height and in excellent physical condition. On 5 May 1961, Shepard became the first American in space.«[Image: 14 Sep 1959 cover of Life magazine.]
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