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9th Class Mental Ability Mathematical Operations Question Bank Mathematical Operations

  • question_answer
    If \[''x''\] stands for \[''+''\]; \[''y''\]stands for \[''-''\]; \[''z''\] stands for \[''\div ''\] and \[''w''\]stands for \[''\times ''\], then 10w 2x 5y 5 = ?

    A) 15                    

    B)        12        

    C) 20     

    D)        10

    E) None of these

    Correct Answer: C

    Solution :

    Explanation Option [c] is correct. 10 x 2+5-5 20+5-5=20                  


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