Calculate the number 1817
[394] Calculate the number 1817 - NUMBERMANIA: Calculate the number 1817 using numbers [9, 2, 1, 4, 49, 820] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 29 - The first user who solved this task is Sanja Šabović
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Calculate the number 1817

NUMBERMANIA: Calculate the number 1817 using numbers [9, 2, 1, 4, 49, 820] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 29
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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Stay Over One Night

A hindu priest, rabbi and a lawyer were driving down the road, when the car breaks down. Fortunately finding a farmhouse nearby, the farmer informed them that he had only one spare room, and that it had only two twin beds.
They were welcome to it, but one of them had to sleep in the barn. After much discussion, the hindu volunteered to go to the barn. A few moments later, a knock on the bedroom door, and the hidu explained that there was a cow in the barn, and cows are sacred and he could not possibly sleep in the barn with a cow.
Annoyed, the rabbi volunteered. A few moments later, a knock on the door. The rabbi explained that there was a pig in the barn and that he, being very orthodox, could not possibly spend the evening in the barn with the origin of pork.
Finally the lawyer said that he would go to the barn. A few moments later there was a knock on the door. It was the cow and the pig!
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Oskar Hertwig

Died 25 Oct 1922 at age 73 (born 21 Apr 1849). Oskar (Wilhelm August) Hertwig was a German embryologist and cytologist who did extensive work on the nuclear transmission of heredity. He was the first to recognize that the essential event in fertilization is the fusion of the nuclei of the sperm and ovum. In 1875, he observed all the steps in fertilization, including the union of egg and sperm chromosomes in sea urchins. These animals are particularly suitable for microscopic studies because of their transparency. He saw there was a single nucleus before fertilization and two nuclei immediately afterwards. He realized the second nucleus had come from the spermatazoon, and thus a single spermatazoon can fertilize an egg. He also investigated malformations of vertebrate embryos.
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