NTSE Sample Paper NTSE MAT Practice Test-20

  • question_answer
    If 3 * 11 = 20; 11 * 5 = 126; 7 * 9 = 58, then what is the value of 21 * 13?

    A)  384          

    B)  424

    C)  454 

    D)  408

    Correct Answer: C

    Solution :

     The logic is \[a*b={{a}^{2}}+b.\]


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