BRAIN TEASERS

Monthly Archive - November 2016 (page 18)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 171 to 180.

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What hides this stereogram?

Stereogram - 3D Image

ENLARGE IMAGE

#brainteasers #stereogram #3Dimage

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Calculate the number 716

NUMBERMANIA: Calculate the number 716 using numbers [3, 1, 3, 4, 99, 326] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 37

The first user who solved this task is Fazil Hashim.

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Brooklyn Bridge

In 1883, Brooklyn Bridge was opened over the East River, New York City, USA, of a breadth of 1,600 feet, navigable water with a single span. What was then regarded as the greatest engineering feat still stands in service today, and remains the world's only stone-towered, steel cabled bridge. Twice the size of the Niagara Suspension Bridge and four times the longest non-extension spans ever attempted, the total length of this colossal structure is 6,927 ft. The road bed is 80 feet wide, and at an elevation of 186 feet above high water. Building began on 2 Jan 1870. John Roebling, and after his death his son Washington Roebling, worked on its construction for 13 years.«

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