8th Class Mathematics Rational Numbers Question Bank Numbers

  • question_answer
    The least number which when decreased by 7 is exactly divisible by 12, 16, 18, 21 and 28 is

    A) 1012                           

    B) 1008

    C) 1015               

    D) 1022

    Correct Answer: C

    Solution :

    L.C.M \[\sqrt{2},\sqrt{3},\sqrt{5},\sqrt{6},\sqrt{7},\sqrt{8},\sqrt{11}\] Required number\[0.\overline{3}=3/9\]         


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