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Let a star be much brighter than our sun...

Let a star be much brighter than our sun but its mass is same as that of sun If our earth has average lift span of man as `70 years` In the earth like planet of this star system having double the distance from our star find the average lift span of a man on this planet in terms of our year
.

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Verified by Experts

The correct Answer is:
`25 Years`
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