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7th Class Mathematics Integers Question Bank Integers

  • question_answer
    There are two integers X and Y such that S and T are their additive inverse respectively, then |X| + |Y| + |S| + |T| is equal to

    A) \[|X|\]                         

    B) \[|Y|+|S|\]

    C)  \[2|X|+\,\,2|Y|\]  

    D) \[|X|+|Y|\]

    Correct Answer: C

    Solution :

    (c) \[|S|=|X|\] and \[|T|=|Y|\] \[\therefore \]\[|X|+|Y|+|S|+|T|\]\[=|X|+|Y|+|X|+|Y|=2|X|+2|Y|\]    


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