Subject

    Quantitative Aptitude

    Topic

    Number

    The least number which is a perfect is a perfect square and is divisible by each of the numbers 16, 20 and 24, is:

    ক)
    1600
    খ)
    3600
    গ)
    6400
    ঘ)
    14400

    Explanation

    lcm is 4x4x5x6 = 2x2x5x2x3  square number is = 2x2x5x5x2x2x3x3 = 3^2x4^2x5^2 = 3600

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