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Discussion :: Testing allindiaexams

  1. If p, q and r are positive integers and satisfy x = (p + q - r)/r = (p - q + r)/q = (q + r - p)/p, then the value of x is?
    2. A.
    1/2
    B.
    1
    C.
    -1/2
    D.
    -1
    E.
    None of these

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    Answer : Option B

    Explanation :

    Hence, x = (p + q - r)/r = (p - q + r)/q = (q + r - p)/p
    => x = (p + q - r + p - q + r + q + r - p)/(r + q + p)
    => x = (p + q + r)/(r + q + p) = 1.

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