Calculate the number 7649
[7754] Calculate the number 7649 - NUMBERMANIA: Calculate the number 7649 using numbers [6, 6, 8, 9, 65, 505] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 1
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Calculate the number 7649

NUMBERMANIA: Calculate the number 7649 using numbers [6, 6, 8, 9, 65, 505] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
#brainteasers #math #numbermania
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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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Hydrogen balloon begins filling

In 1783, filling of the first hydrogen balloon began, with the gas produced by the action of sulphuric acid on iron. Following the success of the Montgolfier brother's hot air balloon ascent on 5 Jun 1783, a 13-ft (4-m) diameter balloon was built by two brothers named Robert, under the auspices of the French Academy of Sciences. Its construction was supervised by physicist Jacques A.C. Charles, who had suggested the use of hydrogen rather than hot air. The process of filling the balloon took place over several days, beginning at the Place des Victoires, Paris. Because of the crowds, it was moved on the night of 26 Aug to the Champ de Mars, where it was eventually released, on 27 Aug 1783.«
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