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Calculate the number 3920

NUMBERMANIA: Calculate the number 3920 using numbers [5, 4, 7, 3, 34, 425] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 31

The first user who solved this task is Allen Wager.

#brainteasers #math #numbermania

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Canine tooth

A dog and a cat are having an argument about which one a human prefers.
The dog says, "Humans like us more. They have even named a tooth after us!"
The cat smiles and says, "You are really not going to win this one you know!"

A Termite walks into a bar
And says is the bar tender here

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Archie Fairley Carr

Born 16 Jun 1909; died 21 May 1987 at age 77.American biologist who was recognized as the foremost authority on turtles. He was most noted for his pioneering work in studying sea turtles. He classified 79 species and subspecies of turtles. Extensive work at Tortuguero and Ascension Island earned him the title of "Turtle Man." His work also dispelled the myths and folklore about turtles. From his extensive studies of migratory, nesting, mating, and nutritional habits of turtles he was able to locate the optimal areas for turtles to live and breed. His consistent effort for the conservation of turtles helped to increase their population throughout the world. Carr invented the "five dollar tag" to tag turtles. He published several hundred articles and for the Time Life Books series on natural history of Africa.

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