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NTSE Sample Paper NTSE MAT Practice Test-6

  • question_answer
    If 2 = 5,4 = 18, 6 = 39, then 10 = ?            

    A)              45                              

    B)              81

    C)              100                            

    D)              105

    Correct Answer: D

    Solution :

     Clearly, in the given coding system, we have             \[2={{2}^{2}}+1=5;4={{4}^{2}}+2=18;6={{6}^{2}}+3=\]\[39.\text{ }So\text{ }10\text{ }={{10}^{2}}+5=\text{ }105.\]


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