An engineer measures THREE quantities X, Y and Z in an experiment. She finds…

GATE · 2020 · ME · Set 2 · General Aptitude

An engineer measures THREE quantities X, Y and Z in an experiment. She finds that they follow a relationship that is represented in the figure below: (the product of X and Y linearly varies with Z)

Graph with vertical axis X.Y and horizontal axis Z; a straight rising line passes through the origin.

Then, which of the following statements is FALSE?

  1. A.

    For fixed Z; X is proportional to Y

  2. B.

    For fixed Y; X is proportional to Z

  3. C.

    For fixed X; Z is proportional to Y

  4. D.

    XY/Z is constant

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