Calculate the number 8510
[5101] 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. - #brainteasers #math #numbermania - Correct Answers: 21 - The first user who solved this task is Djordje Timotijevic
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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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A guy found a penguin and show...

A guy found a penguin and showed him to a policeman.
The policeman said, "Take that penguin to the zoo, now."
Next day the policeman sees the man with the penguin again.
The policeman stops the guy and says, I told you yesterday to take the penguin to the Zoo, what on earth are you doing with the penguin in your truck again?"
The guy says, "What is there to do? Yesterday I took him to the zoo and today I'm taking him to the movies."
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Peter Dollond

Died 2 Jul 1820 (born 1730).British optician, son of John Dollond. Peter, though lacking a theoretical background, invented the triple achromatic lens still in wide use, made substantial improvements in the astronomical refracting telescope, and improved navigation instruments of his day. In 1765, he placed convex lenses of crown glass on either side of a biconcave flint glass lens to make the achromatic triplet lens to further improve the correction of colour fringes. (In 1733, Chester Moore Hall had invented the achromatic lens system by joining a crown glass lens and a flint glass lens, which reduce chromatic aberration.)
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