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The smallest positive integer value of n for which 168 n is a multiple of 324

  • Maths -

    27/14=1.92(approximately)

  • Maths -

    168n= 2x2x2x3x7xn
    324= 2x2x9x9

    so we need 9x9 , which was not contained in 168

    n = 81

    check: 168n becomes 13608
    and 13608/324 = 42

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