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Solve This Number Puzzle

What will be the missing number? (9, 19, 40, ?, 170)

Correct answers: 221

The first user who solved this task is Sanja Šabović.

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Well, He Wanted to Know

After years of wondering why he didn't look like his younger sister or brother, a young man finally got up the nerve to ask his mother if he was adopted.
"Yes, you were son," his mother said as she started to cry softly. "But it didn't work out and they brought you back."

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Empire State Building

In 1931, the Empire State Building in New York City was dedicated by President Hoover from the White House in Washington D.C. where he pressed a button that switched on the lights. The 102 story skyscraper, at the corner of Fifth Avenue and 34th Street in New York City, was the first higher than 1,250 feet. Excavation had begun in Jan 1930 of the following year, construction commenced in two months later, and its cornerstone was laid in Sep 1930. The steel framework rose at a rate of 4-1/2 stories per week. The building's construction was completed in a phenomenal one year and 45 days. It reigned as the world's tallest skyscraper until 1954, but it still remains an icon for all things New York.

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