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  1. If a:b = 4:1, then find (a - 3b)/(2a - b)?
    2. A.
    2/7
    B.
    1/7
    C.
    3/7
    D.
    5/7
    E.
    None of these

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    Answer : Option B

    Explanation :

    a/b = 4/1 => a = 4b
    (a - 3b)/(2a - b) = (4b - 3b)/(8b - b)
    = b/7b => 1/7

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