Calculate the number 250
[799] Calculate the number 250 - NUMBERMANIA: Calculate the number 250 using numbers [2, 5, 1, 7, 57, 138] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 37 - The first user who solved this task is Sanja Šabović
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Calculate the number 250

NUMBERMANIA: Calculate the number 250 using numbers [2, 5, 1, 7, 57, 138] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 37
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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Talking Frog

A guy is 86 years old and loves to fish. He was sitting in his boat the other day when he heard a voice say,
"Pick me up."
He looked around and couldn't see any one. He thought he was dreaming when he heard the voice say again,
"Pick me up." He looked in the water and there, floating on the top was a frog.
The man said, "Are you talking to me?"
The frog said, "Yes, I'm talking to you. Pick me up.
Then, kiss me and I'll turn into the most beautiful woman you have ever seen.
I'll make sure that all your friends are envious and jealous because you will have me as your bride."
The man looked at the frog for a short time, reached over, picked it up carefully, and placed it in his front breast pocket.
Then the frog said, "What, are you nuts? Didn't you hear what I said?
I said kiss me and I will be your beautiful bride."
He opened his pocket, looked at the frog and said,
"Nah, at my age I'd rather have a talking frog."   

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Samuel K. Hoffman

Died 26 Jun 1995 at age 93 (born 15 Apr 1902).Samuel Kurtz Hoffman was an American engineer who led the development of the liquid fuel rocket engines used in America's early space programs. His career began as an aeronautical-design engineer (1932-45) and then he spent four years teaching in that field. By 1949, he joined the Propulsion Section of North American Aviation which he later headed as its president (1960-70). (That division, renamed Rocketdyne, later became part of Rockwell International Corp.) He supervised the development of the first-stage Redstone propulsion system, which launched Explorer I, America's first satellite (31 Jan 1958). His work continued with the high-thrust engines used for the Mercury rockets that propelled the first U.S. astronauts into space, and the F-1 rocket engines used in the first stage of the Saturn V rockets of the Apollo moonshot program.«
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