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Calculate the number 9167

NUMBERMANIA: Calculate the number 9167 using numbers [7, 2, 9, 5, 13, 569] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 18

The first user who solved this task is Djordje Timotijevic.

#brainteasers #math #numbermania

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Carousel

In 1871, the first U.S. patent for a carousel was issued to Willhelm Schneider of Davenport, Iowa (117,336). It was described as a two-story "'carrousel' or rotary pavillion used in public parks or other places of amusement." A staircase within the central supporting frame enabled access to the upper story. Radial partitions could provide separate "apartments" with a sofa, imitation horse or other seats. It could be turned by a person or other apparatus. However, it was not very practical or successful*. Carousels had been popular for a long time. The earliest* on record was at a fair held at Philippopolis, Turkey on 17 May 1620. The first* on record in England was at the St. Bartholomew Fair in 1729.

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