12th Class Mental Ability Series Question Bank Question - Ranking Missing Character

  • question_answer
    Directions: In each of the following questions, select the related letter / word in number from the given alternatives. 13 : 19 : : 21 :?

    A) 41

    B) 81

    C) 141

    D) 14

    Correct Answer: A

    Solution :

    \[{{(1)}^{2}}=1\,:\,\,\,{{(3)}^{2}}\,\,=\,\,9\,\,\Rightarrow \,\,19\] Similarly, \[{{(2)}^{2}}\,=\,\,4;\,\,{{(1)}^{2}}\,=\,\,1\,\Rightarrow \,41\]


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