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Pond with Lillies
There is one lily in the pond on 1st June. There are two in the pond on 2nd June. There are four on 3rd June and so on. The pond is full of lilies by the end of the June.
(i) On which date the pond is half full?
(ii) If we start with 2 lilies on 1st June when will be the pond be full of lilies.
Explanation :
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a)half of the Pond will be filled with lillys on 29th of june as on the 30 it will full
b)If we start with 2 lillys on the 1st of june the pond will be full by 29th of june
i)29th June will be the date when the pond will be half full since every next day the Lillie's double.
ii)if we start with 2 Lillie's on the first day of June then the pond will be full on 29th and half full on 28th June.
