Calculate the number 290
[762] Calculate the number 290 - NUMBERMANIA: Calculate the number 290 using numbers [3, 5, 6, 4, 20, 320] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 40 - The first user who solved this task is Sanja Šabović
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Calculate the number 290

NUMBERMANIA: Calculate the number 290 using numbers [3, 5, 6, 4, 20, 320] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 40
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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Whats My Name?

The manager of a large office noticed a new man one day and told him to come into his office. "What's your name?" he asked the new guy.

"John," the new guy replied.

The manager scowled, "Look... I don't know what kind of a namby-pamby place you worked before, but I don't call anyone by their first name. It breeds familiarity and that leads to a breakdown in authority. I refer to my employees by their last name only ... Smith, Jones, Baker ... That's all. I am to be referred to only as Mr. Robertson. Now that we got that straight, what is your last name?"

The new guy sighed, "Darling. My name is John Darling."

"Okay John, the next thing I want to tell you is . . . "

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Railway track scale patent

In 1857, the first U.S. patent for a railway track scale was issued to Thaddeus Fairbanks (No. 16,381). Such a platform scale was introduced by the E. and T. Fairbanks and Company of St. Johnsbury, Vermont. It was designed to weigh railway cars either alone or in train. The platform of the scale was fitted with two rails arranged in line with the railway track such that cars and carriages could readily be rolled on and off. The mechanism beneath was set in a pit. It was constructed with suitable levers and bearings to permit weighing a great range of loads accurately. Thaddeus and his brother built their company's scale business starting over two decades earlier with their invention of a platform scale for merchandise, which they patented 30 Jun 1831.
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