BRAIN TEASERS

# Find the biggest number ABCDEFG

Find the biggest number ABCDEFG. It is necessary to replace letters with digits so that the sum of the sides of a triangle is always the same. Each of the digits may be used only once.
The first user who solved this task is Slobodan Strelac.
#brainteasers #math

### Try To Get Some Rest

A man had been driving all night and by morning was still far from his destination. He decided to stop at the next city he came to, and park somewhere quiet so he could get an hour or two of sleep. As luck would have it, the quiet place he chose happened to be on one of the city's major jogging routes. No sooner had he settled back to snooze when there came a knocking on his window. He looked out and saw a jogger running in place.
"Yes?"
"Excuse me, sir," the jogger said, "do you have the time?" The man looked at the car clock and answered, "8:15". The jogger said thanks and left. The man settled back again, and was just dozing off when there was another knock on the window and another jogger.
"Excuse me, sir, do you have the time?"
"8:25!"
The jogger said thanks and left. Now the man could see other joggers passing by and he knew it was only a matter of time before another one disturbed him. To avoid the problem, he got out a pen and paper and put a sign in his window saying, "I do not know the time!" Once again he settled back to sleep. He was just dozing off when there was another knock on the window.
"Sir, sir? It's 8:45!."
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### Sir Henry Bessemer

Born 19 Jan 1813; died 15 Mar 1898 at age 85. English industrialist, metallurgist, inventor and engineer who developed the first process for manufacturing steel inexpensively (1856), leading to the development of the Bessemer converter. Bessemer invented his steel making process to solve a specific problem vexing another of his inventions, the self-spinning artillery shell. The converter removed impurities from molten pig iron by oxidation through air being blown through the molten iron. The oxidation also raised the temperature of the iron mass, keeping it molten. The oxidation process removed impurities such as silicon, manganese, and carbon as oxides, which oxides either escapd as gas or formed a solid slag. He also solved problems about the chemistry of ores, fuels, and steel. He held 110 patents at his death.
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