Calculate the number 4405
[7823] Calculate the number 4405 - NUMBERMANIA: Calculate the number 4405 using numbers [1, 4, 5, 3, 30, 864] 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 4405

NUMBERMANIA: Calculate the number 4405 using numbers [1, 4, 5, 3, 30, 864] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
#brainteasers #math #numbermania
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Blonde Cop

A blonde, a brunette, and a redhead are walking by a mall.

A policeman starts running after them, so they start running too.

They come upon 3 sacks and jump into them.

The cop stops and kicks the 1st sack and the brunette says "Meow."

The cop says, "Oh, it's only a cat."

He kicks the 2nd sack and the redhead says "Woof."

The cop says, "Oh, it's only a dog."

Then he comes up to the third sack and kicks it.

The blonde says "Potatoes".

And the cop says "Oh, it's only a sack of potatoes!"

Do you know why the cop didn't catch her?

Because he was a blonde too!

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Oldest fossils

In 1977, American paleontologist Elso S. Barghoorn of Harvard announced the discovery of Pre-Cambian spherical one-celled algae microfossils (named Eobacterium) 3.4 billion years old, earth's earliest life forms. Barghoorn, with J. William Schopf, studied the ancient chert (a flintlike or quartz-like rock) of the Fig Tree formation in Transvaal, South Africa. Rubidium and strontium ratios in the chert are used to establish the age of the rock, and the fossils contained in it. The fossils are a kind of Prokaryotes, organisms with simple cell wall containing organic chemicals, and examples of cell division are visibile in the remains. A huge number of varieties exist today. They all produce oxygen; and, in the Precambrian period, began to change the earth's primoidal reducing atmosphere to the oxygenated one we have today.
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