Riddle about a water-lily... quite easy.. think..?

In the middle of a round pool lies a beautiful water-lily..


The water-lily doubles in size every day.. After exactly 20 days the complete pool will be covered by the lily..


After how many days will half of the pool be covered by the water-lily?

Riddle about a water-lily... quite easy.. think..?
19
Reply:19
Reply:19 days.... DUH
Reply:it doubles everyday, the pool will be half filled in 19 days
Reply:19 days
Reply:10?
Reply:10


or 5


i dont know
Reply:19
Reply:Hi : )


The answer is after 19 days. Good riddle though - i was about to put 10 before i realised that nifty little catch in the riddle!





xxx