Calculate the number 6317
[7402] Calculate the number 6317 - NUMBERMANIA: Calculate the number 6317 using numbers [2, 5, 9, 9, 53, 399] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 1
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Calculate the number 6317

NUMBERMANIA: Calculate the number 6317 using numbers [2, 5, 9, 9, 53, 399] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
#brainteasers #math #numbermania
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A professor of chemistry wante...

A professor of chemistry wanted to teach his 5th grade class a lesson about the evils of alcohol, so he produced an experiment that involved a glass of water, a glass of whiskey and two worms."Now, class. Observe closely the worms," said the professor putting a worm first into the water. The worm in the water writhed about, happy as a worm in water could be.
The second worm, he put into the whiskey. It writhed painfully, and quickly sank to the bottom, dead as a doornail.
"Now, what lesson can we derive from this experiment?" the professor asked.
Little Johnny, who naturally sits in back, raised his hand and wisely, responded...
"Drink whiskey and you won't get worms!"
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Leap second

In 1972, the first leap second day, one second was added to the world's time in order to keep the super-accurate atomic clocks in step with the Earth's rotation. Since the adoption of this system in 1972, firstly due to the initial choice of the value of the second (1/86400 mean solar day of the year 1900) and secondly to the general slowing down of the Earth's rotation, it has been necessary to add over 20 seconds to Coordinated Universal Time (UTC).[Image: part of the master clock system at the U.S. Naval Observatory.]
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