Spider web puzzle


A spider is trying to build a web for itself. It doubles the work done everyday.

If the spider completely built the web in 15 days, how many days did it take for the spider to build 25% of the web ?

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  • 1 Answer(s)
    Best answer

    13 days will take for 25% of the web.

    15 Days for 100%
    14 days for 50%
    13 days for 15%
    12 days for 12.5%
    and so on……….

    Detective Expert Answered on 13th August 2015.
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