7th Class Mathematics Related to Competitive Exam Question Bank Coding-Decoding

  • question_answer
    If ZXV stands for ACE; what will YZW stand for

    A) ABD                           

    B) EAC

    C) SAD                            

    D) BAD

    Correct Answer: D

    Solution :

    The letters of the word ACE are deciphered by decoding ZXV. The letters are decoded by substituting their represented letters in the natural order, (i.e., 'Z' 1st in the reverse series and 'A' is 1st in natural series) \[\begin{matrix}    \text{Z} & \text{X} & \text{V} & \to \text{letters in reverse series}  \\    \downarrow  & \downarrow  & \downarrow  & {}  \\ \end{matrix}\] \[\begin{matrix}    \text{A} & \text{C} & \text{E} & \to \text{letters}\,\text{in}\,\text{natural}\,\text{series}  \\    \downarrow  & \downarrow  & \downarrow  & {}  \\ \end{matrix}\] 1st  3rd 5th \[\to \] Position of letters


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