Calculate the number 3590
[2043] Calculate the number 3590 - NUMBERMANIA: Calculate the number 3590 using numbers [4, 8, 5, 1, 49, 408] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 36 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 3590

NUMBERMANIA: Calculate the number 3590 using numbers [4, 8, 5, 1, 49, 408] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 36
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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Lesson in logic

A fourth-grade teacher was giving her pupils a lesson in logic.

"Here is the situation," she said. "A man is standing up in a boat in the middle of a river, fishing. He loses his balance, falls in, and begins splashing and yelling for help. His wife hears the commotion, knows he can't swim, and runs down to the bank. Why do you think she ran to the bank?"

A girl raised her hand and asked, "To withdraw all his money from his savings account?"

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3D projector

In 1901, Claude Grivolas, one of Pathe's main shareholders in Paris, France, patented a projector for three-dimensional (stereoscopic) movies viewed wearing spectacles with one red and one blue lens (French patent No. 310,864). He received a British patent on 23 May 1901 (No. 10,695) For filming, he used a dual camera arrangement which photographed images alternately. He then created one composite master film with the left camera images alternated with the right camera image. His projector had a shutter with one red and one blue transparent sections, with opaque quadrants between them. Left-eye images were projected through the blue filter followed by right-eye images in red light. The movie appeared black and white when viewed using red/blue spectacles.*[Image: rotating shutter with red and blue quadrants alternately project left (L) and right (R) frames of movie film.]
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