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Calculate the number 1187

NUMBERMANIA: Calculate the number 1187 using numbers [8, 1, 5, 1, 51, 991] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 41

The first user who solved this task is Roxana zavari.

#brainteasers #math #numbermania

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The Two Reasons Why

I've noticed the strangest thing about men who hang out in bars a lot.
It seems they have only one of two reasons to be there.
They have no wife to go home to... or they do!

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Sir Richard Tetley Glazebrook

Born 18 Sep 1854; died 15 Dec 1935 at age 81.English physicist who was the first director of the UK National Physical Laboratory, from 1 Jan 1900 until his retirement in Sep 1919. At first, the laboratory's income depended on much routine, commercial testing, but Glazebrook championed fundamental, industrially oriented research. With support from individual donors, buildings were added for electrical work, metrology, and engineering. Data useful to the shipbuilding industry was collected in pioneering experimental work on models of ships made possible by a tank funded by Alfred Yarrow (1908). From 1909, laboratory began work benefitting the embryonic aeronautics industry, at the request of the secretary of state for war. The lab to contributed substantially to military needs during WW I.«

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