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

  • question_answer
    In a certain code LIBERATE is written as 56403170. TRIBAL will be written in the same code as:

    A) 734615                       

    B) 736415

    C) 136475                       

    D) 034615

    Correct Answer: B

    Solution :

    The letters of the word TRIBAL are picked from LIBERATE. So will be the coded numbers. Given Word \[\begin{matrix}    \text{L} & \text{I} & \text{B} & \text{E} & \text{R} & \text{A} & \text{T} & \text{E}  \\ \end{matrix}\] Code \[\begin{matrix}    \text{5} & \text{6} & 4 & \text{0} & \text{3} & \text{1} & 7 & \text{0}  \\ \end{matrix}\] Similarly, Word to be coded \[\begin{matrix}    \text{T} & \text{R} & \text{I} & \text{B} & \text{A} & \text{L}  \\ \end{matrix}\] Answer code \[\begin{matrix}    7 & 3 & 6 & 4 & 1 & 5  \\ \end{matrix}\]


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