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Calculate the number 8510

NUMBERMANIA: Calculate the number 8510 using numbers [1, 5, 9, 5, 78, 774] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 21

The first user who solved this task is Djordje Timotijevic.

#brainteasers #math #numbermania

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Who Should Have The Toy?

The father of five children had won a toy at a raffle.

He called his kids together to ask which one should have the present.

"Who is the most obedient?" he asked. "Who never talks back to mother? Who does everything she says?"

Five small voices answered in unison. "Okay, dad, you get the toy."

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Garrett Augustus Morgan

Born 4 Mar 1877; died 27 Jul 1963 at age 86.Black-American inventor and businessman who established the Cleveland Call newspaper (1920), invented a hair straightening cream, woman's hat fastener, an automobile clutch, a safety hood breathing device (1912) which he improved as a gas mask used by some soldiers in WW I, and a traffic signal. By age 30, he had spent time working as a handyman and taught himself enough about repairing sewing machines to start a repair business. Two years later, he started a tailoring shop with 32 employees. He developed and was successful selling G.A. Morgan Hair Refining Cream to straighten hair. When he invented a traffic signal in 1922 (not the red-yellow-green lights type), several other traffic signals had already been previously patented by other inventors. He was nearly blind from 1943 due to glaucoma.«

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