Calculate axb
[298] Calculate axb - Look at the series (314, 412, a, 832, 848, b, 8480), determine the pattern, and calculate axb. - #brainteasers #math - Correct Answers: 34 - The first user who solved this task is Sanja Šabović
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Calculate axb

Look at the series (314, 412, a, 832, 848, b, 8480), determine the pattern, and calculate axb.
Correct answers: 34
The first user who solved this task is Sanja Šabović.
#brainteasers #math
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old man goes to the Dr ...

An 85-year-old man was requested by his doctor for a sperm count as part of his physical exam. The doctor gave the man a jar and said, "Take this jar home and bring back a semen sample tomorrow."

The next day the 85-year-old man reappeared at the doctor's office and gave him the jar, which was as clean and empty as on the previous day. The doctor asked, what happened and the man explained. "Well, doc, it's like this--first I tried with my right hand, but nothing. Then I tried with my left hand, but still nothing. Then I asked my wife for help. She tried with her right hand, then with her left, still nothing. She tried with her mouth, first with the teeth in, then with her teeth out, still nothing. We even called up Arleen, the lady next door and she tried too, first with both hands, then an armpit, and she even tried squeezin' it between her knees, but still nothing."

The doctor was shocked! "You asked your neighbor?" The old man replied, "

Yep, none of us could get the jar open."

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Nasir ad-Din al-Tusi

Born 18 Feb 1201; died 26 Jun 1274 at age 73.Muhammad ibn Muhammad ibn al-Hasan al-Tusi was a Persian philosopher, scientist, mathematician and astronomer who made outstanding contributions in his era. When The Mongol invasion, started by Genghis Khan, reached him in 1256, he escaped likely death by joining the victorious Mongols as a scientific advisor. He used an observatory built at Maragheh (finished 1262), assisted by Chinese astronomers. It had various instruments such as a 4 metre wall quadrant made from copper and an azimuth quadrant which was Tusi's own invention. Using accurately plotted planetary movements, he modified Ptolemy's model of the planetary system based on mechanical principles. The observatory and its library became a centre for a wide range of work in science, mathematics and philosophy. He was known by the title Tusi from his place of birth (Tus).
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