There is a pond of lotus.The number of flowers bloomed on that day is twice that of those bloomed on the previous day .If the pond gets filled on the 20th day,when was it half-filled.
Brain teasers?
The 19th day.
Reply:The 19th day.
Reply:19th day
Reply:19th day.....
Reply:the 19th day
Reply:total no lotus to filled the pound=2^20
so pound will be half filled with =2^20/2=2^19 lotus
which will b on 19 th days
Reply:19th day. Second statement says it.
Reply:OMG! The 19th day sir! =)
Reply:The 19th day.
Reply:ya the it would be the 19th day right?
Reply:the19th day, not the 10th day
pet
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