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If the OP means exactly to the words... i would say the earth is still a molten sphere where there is no life... so no need to think abt humans, one of the late comers...

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Geologists have dated the earth to be about 4.54 billion years old. Archeologists have estimated that humans originated in the Middle Paleolithic period about 200,000 years ago. Comparatively, if the Earth were 40 years of age, humans would have roamed Earth just a little over a day, about 25 hours.

Edited by Dej Mar
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whoa didn't expect somay answers, but unfortunately

none are correct....

a hint here:D

take it at earth's perspective as woman who is 40 yrs old

then how old will be the humans living on her?

and humans are alive then....XD

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If 'Earth' is just a name of a random person, humans will be just as how old they would be. Or am I missing some points here..?

nope, imagine OUR mother earth as 40 years old woman, then calculate how old will the humans living on earth will be then?

no need to give the exact number, just give a small range

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In order for any one of us to calculate and give you the estimate you wish, it would be proper if you give us the estimate of the actual age of the Earth you are using and the actual span of time humans have been here on Earth.

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In order for any one of us to calculate and give you the estimate you wish, it would be proper if you give us the estimate of the actual age of the Earth you are using and the actual span of time humans have been here on Earth.

haha you're right

ok then i'll change the question to make it easier

'If Earth was a 40 year old woman, how long would humans have lived on her?'

taking that Earth is 4 billions years old and humans comes 200,000 years later.

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haha you're right

ok then i'll change the question to make it easier

'If Earth was a 40 year old woman, how long would humans have lived on her?'

taking that Earth is 4 billions years old and humans comes 200,000 years later.

200000/4000000000 = 1/20000

x/40 = 1/20000

x = 1/500 of a year

A year is approximately 8766 (= 365.25 x 24) hours long.

8766 * 1/500 ~= 17.532 ~= 17 1/2 hours

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200000/4000000000 = 1/20000

x/40 = 1/20000

x = 1/500 of a year

A year is approximately 8766 (= 365.25 x 24) hours long.

8766 * 1/500 ~= 17.532 ~= 17 1/2 hours

whoa, you are absolutly correct! XD

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Well done Dej Mar.. but .. this is supposed to be a Word puzzle .. and you solved it using math... :puzzled:

or maybe mangamathsfreak should have posted under Math puzzles ??

Oops......sorry... i'm just too used to putting stuff in the riddles section....XD

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