Calculate the number 1309
[925] Calculate the number 1309 - NUMBERMANIA: Calculate the number 1309 using numbers [5, 3, 5, 6, 81, 730] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 31 - The first user who solved this task is Sanja Šabović
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Calculate the number 1309

NUMBERMANIA: Calculate the number 1309 using numbers [5, 3, 5, 6, 81, 730] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 31
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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50/50

A young man watched as an elderly couple sat down to lunch at McDonald's. He noticed that they had ordered just one meal, and an extra drink cup. As he watched, the old gentleman carefully divided the hamburger in half, then counted out the fries, one for him, one for her, etc, until each had exactly half.

Then the old man poured half of the soft drink into the extra cup and set that in front of his wife. The old man then began to eat, but his wife just sat watching him.

The young man felt sorry for them and asked "I'm sorry to intrude, but would you allow me to purchase another meal for your wife so that you don't have to split your food?"

The old gentleman said, "Oh, no, thank you. But you see, we've been married a long time, and everything has always been shared, 50/50."

The young man said, "Wow! That's commendable." He then turned to the wife and asked, "Aren't you going to eat your share?"

The wife replied "Not yet. It's his turn to use the teeth."

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Sir Henry Enfield Roscoe

Born 7 Jan 1833; died 18 Dec 1915 at age 82. English chemist who founded the Manchester school of chemistry after he became chair of chemistry at Owens College (1857), four years after earning his Ph.D. He greatly improved science education there, implementing some teaching methods he learned while studying at Heidelberg under Wilhelm Bunsen. In his 30 years at Owens, he brought the college from the brink of extinction to an institution where original research by students and demonstrators produced 120 published papers. Roscoe joined in research with Bunsen, from 1855 to 1862, on the laws of photochemical action. In 1865, Roscoe learnt of the presence of vanadium in a Cheshire copper mine, and began his most important original research on the rare element, and prepared pure vanadium and its oxides. He was knighted for services to education (1884).«
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