7th Class Mathematics Integers Question Bank Integer

  • question_answer
    Which of the following statements is INCORRECT?

    A)  The multiplicative identity for integers is 1.

    B)  Subtraction does not obey commutative law in integers.

    C)  Multiplication of two integers with unlike signs is always positive.

    D)  Multiplicative inverse of integer a is \[\frac{1}{a}\].

    Correct Answer: C

    Solution :

                        Multiplication of two integers with unlike signs is negative,                              


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