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Calculate the number 905

NUMBERMANIA: Calculate the number 905 using numbers [7, 2, 4, 3, 46, 820] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 12

The first user who solved this task is Nílton Corrêa de Sousa.

#brainteasers #math #numbermania

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That's Not Fare

Taxi driver: "That will be $3.50, please."
Passenger: "Oh dear, I'm afraid I'm a little short. Could you back up a little bit and make it $2.50, please?"

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Lajos Lóczy

Died 13 May 1920 at age 70 (born 2 Nov 1849).Hungarian geologist who first scientifically described the mountains bordering the Tibetan Plateau that connect the Kunlun Mountains with the north-south-oriented belt of mountains and gorges in central China. In 1878, with the Hungarian Count Széchenyi Béla and Gustav Kreitner, he was the first western visitor to remote ancient Buddhist sites such as the oasis town of Dunhuang, situated at the edge of the Gobi desert, in the west of the present-day Chinese province of Gansu. He wrote many accounts his discoveries, and during his expeditions made many pictures for documentation.

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