Reach the Island logic puzzle


Alexandra wants to reach an island which is in the middle of the river. The island is 30 feet from the edge of the river. As shown in the picture below he got two wooden planks about 29 feet each.

How can Alexandra reach the island?

Reach The Island puzzle

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  • 3 Answer(s)

    If it is a ‘river’ as mentioned in the puzzle, there is no solution unless Alexandra can use the planks to form a ‘float’ and find some pole to row it across the river. But If, as indicated in the image, it is something like a pond (i.e., all sides land) AND assuming that the planks can support sufficient weight and that the person has sufficient means to carry the planks, a ‘T’ or a ‘cross’ can be formed as in the figure below.

    Viji_Pinarayi Expert Answered on 12th March 2016.

    as the question mentions, A river ,and any meanders are not mentioned, so your solution will not work.

    on 25th April 2016.
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    I put forward a geometrical solution.

    Now he can join the planks at these angles . And place them accordingly to make the trinagle.

    Then he can walk through the planks and reach the island.

    pandabouy Guru Answered on 23rd May 2016.

    Bit tricky to understand, can you please explain further

    on 28th May 2016.
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    I think the question refers to a pool and they looking for the answer number 1

    eitan99 Scholar Answered on 1st March 2019.

    Alexandra is a man???  read the word HE on the question.

    on 1st March 2019.
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