6th Class Mental Ability Related to Competitive Exam Question Bank Mathematical Reasoning

  • question_answer
    Which number will replace the question mark in the following?

    A)  19                               

    B)  341      

    C)  361                   

    D)       441    

    Correct Answer: C

    Solution :

      \[3+4=7\] and\[{{7}^{2}}=49\] \[8+5=13\] and \[{{13}^{2}}=169\] \[11+12=23\] and\[{{23}^{2}}=529\] Similarly, \[10+9=19\] and \[{{19}^{2}}=361\]


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