Subject

    Quantitative Aptitude

    Topic

    Percentage

    When heated an iron bar expands 2%. If the increased length is 1 cm, what is the original length of the bar?

    ক)
    500 cm
    খ)
    5 cm
    গ)
    0.97 cm
    ঘ)
    1.97 cm

    Explanation

    .02% is 1 cm 1% is 1/.02 100% is 100/.02 = 500cm

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