Calculate the number 1968
[5093] Calculate the number 1968 - NUMBERMANIA: Calculate the number 1968 using numbers [3, 8, 6, 3, 78, 509] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 16 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 1968

NUMBERMANIA: Calculate the number 1968 using numbers [3, 8, 6, 3, 78, 509] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 16
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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One day in class, the teacher...

One day in class, the teacher brought a bag full of fruit and said, "Now class, I'm going to reach into the bag and describe a piece of fruit and you tell me which fruit I'm talking about. Alright, the first one is round, plump, and red. Little Johnny raised his hand high but the teacher ignored him and picked Deborah who promptly answered, "Apple." The teacher replied, "No Deborah, it's a beet, but I like your thinking. Now the second one is soft, fuzzy and colored red and brown." Johnny is hopping up and down in his seat trying to get the teacher to call on him but she calls on Billy. "Is it a peach?" Billy asks. "No, it's a potato, but I like your thinking," the teacher replies. "Okay the next one is long, yellow, and fairly hard." Johnny is about to explode as he waves his hand frantically but the teacher calls on Sally who say, "A banana." The teacher responds, "No, it's a squash, but I like your thinking." Johnny is irritated now so he speaks up loudly, "Hey, I've got one for you teacher. Let me put my hand in my pocket. Okay, I've got it. It's round, hard, and it's got a head on it." "Johnny!" she cries, "That's disgusting!" "Nope," answers Johnny, "It's a quarter, but I like your thinking!"
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James Gregory

Born 6 Nov 1638; died Oct 1675 .Scottish mathematician, astronomer and inventor of the reflecting telescope, born in Aberdeen. He was the first to investigate converging number series, which have an infinite number of terms but a finite sum. He made important contributions to the development of the calculus, although some of his best work remained virtually unknown until long after his death. In 1660 he published his Optica Promota, in which he described the first practical reflecting ("Gregorian") telescope. Light reflected from a concave elliptical secondary mirror is brought to a focus just behind a hole in the primary mirror. It was superceded by the Newtonian and Cassegrain telescopes. Gregory also introduced estimation of stellar distances by photometric methods.
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