Calculate the number 989
[6030] Calculate the number 989 - NUMBERMANIA: Calculate the number 989 using numbers [5, 2, 5, 7, 40, 882] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 12 - The first user who solved this task is Nílton Corrêa de Sousa
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Calculate the number 989

NUMBERMANIA: Calculate the number 989 using numbers [5, 2, 5, 7, 40, 882] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 12
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania
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Aren't you afraid of me?

One bright, beautiful Sunday morning, the townspeople were in church, listening to the organ play. Suddenly, Satan appeared at the front of the church. Everyone started screaming and running for the front entrance, trampling each other in a frantic effort to get away from evil incarnate.

Soon everyone was evacuated from the Church, except for one elderly gentleman who sat calmly in his pew, not moving, seemingly oblivious to the fact that God's ultimate enemy was in his presence. Now this confused Satan a bit, so he walked up to the man and said, "Don't you know who I am?" The man replied, "Yep, sure do." Satan asked, "Aren't you afraid of me?"

"Nope, sure ain't," said the man.

Satan was a little perturbed at this and queried, "Why aren't you afraid of me?"

The man calmly replied, "Been married to your sister for 48 years!"

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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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