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Logic Container Time Puzzle

Logic Container Time Puzzle - 8 August

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled half?

For Solution : Click Here


  1. This comment has been removed by the author.

  2. 9 hours is incorrect. This is a geometric progression. If we treat the volume entering the container in the first hour as 1 unit, then in 10 hours a total of 1,023 units will enter the container. 512 of these units will enter the container in the final hour, leaving 511 units in the first 9 hours. 511 is not half of 1,023.