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Age of the universe is about 10^(10) yea...

Age of the universe is about `10^(10)` years whereas the mankind has existed for `10^6` years. How many seconds would the man have existed if age of universe were one day.

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Verified by Experts

Here,
`("Age of mankind")/("Age of universe") = (10^6yrs)/(10^(10)yrs) = (x)/(1 day)`
`x = 10^(-4)day = 10^(-4)xx86400 s= 8.64s`
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