6th Class Mathematics Whole Numbers Question Bank Whole Numbers

  • question_answer
    If a and b are two whole numbers, then commutative law is applicable on subtraction if and only if ________.

    A)  a = b              

    B)  \[a\ne b\]         

    C)         \[a>b\]

    D)         \[a<b\]

    Correct Answer: A

    Solution :

    If a = b, then a ? b = a ? a = 0 and b ? a = a ? a = 0 i.e., a - b = b - a


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