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Water lilly


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4 replies to this topic

#1 Smokeydragon

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Posted 07 September 2012 - 11:28 AM

There is a water lilly in a pond. Each day it doubles in size. On day 10 the lilly fills the whole pond. On which day is it halfway?
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#2 Rox53

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Posted 07 September 2012 - 12:31 PM

This one is as old as the hills
Spoiler for The answer

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#3 badhri

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Posted 07 September 2012 - 01:47 PM

Spoiler for please use spoilers

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#4 kappak1020

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Posted 07 September 2012 - 05:18 PM

Spoiler for this seems to easy...

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#5 ~andy~

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Posted 23 October 2012 - 03:01 PM

Too easy, even for me
Spoiler for

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