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NTSE Sample Paper NTSE MAT Practice Test-4

  • question_answer
    If 3*7 = 58, 5*6 = 61,3*2 = 13, then 5*4 is

    A)  39                              

    B)  41

    C)  81                              

    D)  90

    E)  97

    Correct Answer: B

    Solution :

     Logic is\[x*y={{x}^{2}}+{{y}^{2}}\]. So \[5*4={{5}^{2}}+{{4}^{2}}\]\[5*4={{5}^{2}}+{{4}^{2}}=41\]


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