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6th Class Mathematics Algebra Question Bank Algebra

  • question_answer
    If \[(a-b)\] is 6 more than \[(c+d)\] and \[(a+b)\] is less than \[(c-d),\] then \[(a-c)\] is

    A)  0.5                

    B)    1.5

    C)  1                    

    D)    -1

    Correct Answer: B

    Solution :

         Given \[a-b=c+d+6\] \[a+b=c-d-3\] By adding above equations, we get \[2a=c+d+6+c-d-3=2c+3\] \[\Rightarrow \,2a-2c=3\Rightarrow \,2(a-c)\,=3\Rightarrow \,a-c=\frac{3}{2}=1.5\]


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