NTSE Sample Paper NTSE MAT Practice Test-14

  • question_answer
    If 10+10 =110 5+5=30 7+7=56,then the value of 9 + 9 is

    A) 45            

    B) 33

    C) 99            

    D) 90

    Correct Answer: D

    Solution :

    The logic is \[x+x=\text{ }x(x+1).\]


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