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Math Help - Multiple choice question #1

  1. #1
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    Multiple choice question #1

    Q31: You are having 31kg of rice. You are provided with a 1kg stone for
    weighing. In how many weights the 31kg of rice can be weighed.
    A. 6
    B. 34
    C. 63
    D. 5
    how?
    Last edited by mr fantastic; February 11th 2011 at 02:41 AM. Reason: Re-titled, deleted excessive ?'s in post.
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  2. #2
    MHF Contributor
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    HINT: after 1st weighing, you have a 1kg stone and 1kg of rice to use in next weighing.
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