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9th Class Mental Ability Mathematical Operations Question Bank Mathematical Operations

  • question_answer
    If the + and \[\times \]signs of the following equations are interchanged, what will be the correct equation?

    A) \[7\times 5+3=20\]    

    B)        \[4+9\times 1=42\]

    C) \[6\times 5+8=46\]  

    D)        \[2+11\times 4=28\]

    E) None of these

    Correct Answer: C

    Solution :

    Explanation Option [c] is correct. After interchanging the signs the equations are: [a] \[7+5\times 3=22\]                which is wrong [b] \[4\times 9+1=37\]                which is wrong [c] \[6+5\times 8=46\]            which is correct [d] \[2\times 11+4=26\]              which is wrong  


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