Calculate the number 1311
[4112] Calculate the number 1311 - NUMBERMANIA: Calculate the number 1311 using numbers [2, 7, 5, 2, 55, 526] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 20 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 1311

NUMBERMANIA: Calculate the number 1311 using numbers [2, 7, 5, 2, 55, 526] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 20
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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Pretty normal

A woman went to see her psychiatrist. "I'm really concerned," she said. "The other day I found my daughter and the little boy next door together, naked, examining each other's bodies and giggling."

The psychiatrist smiled. "That's nothing to worry about, it's pretty normal."

"Well, I don't know," said the woman, "It worries me. It worries my daughter's husband too."

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Traffic lights

In 1914, a lighting ceremony was held for the first electric traffic lights used to control flow of different streams of traffic at the intersection of Euclid Ave. and E. 105th St. in Cleveland, Ohio. The traffic signals were red and green lights on street-corner poles, wired to a manually operated switch housed inside a control booth beside the road. The switch design prevented conflicting signals. A bell warned the drivers of colour changes. The installation by the American Traffic Signal Co. was modelled after a system patented by James Hoge (U.S. No. 1,251,666). The first traffic control light used a gas-lit lantern, in London, England (10 Dec 1868).«
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