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  1. A 3000 m long line lying at an elevation of 450 m measures 10 cm on a vertical photograph.
    The focal length of the camera is 21 cm. The scale of the photograph for the area having an elevation of 1000 m will be

    2. A.
    1 : 27381
    B.
    1 : 25008
    C.
    1 : 20606
    D.
    1 : 30421

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    Answer : Option A

    Explanation :

    No answer description available for this question. Let us discuss.

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