Mathematical Reasoning - Coding Decoding

16. CLAIM : DNDMR : : CHARGE : ?

  • Option : A
  • Explanation :
    CLAIM
    +1+2+3+4+5
    DNDMR
    CHARGE
    +1+2+3+4+5+6
    DJDVLK
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17. COLD : FSQJ : : HEAT : ?

  • Option : C
  • Explanation :
    C+3F
    O+4S
    L+5Q
    D+6J

    Similarly,

    H+3K
    E+4I
    A+5F
    T+6Z
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18. In a certain code, ‘PAPER’ is written as ‘SCTGW’. How is ‘MOTHER’ written in that code?

  • Option : C
  • Explanation : The letters at the odd positions are moved three, four, and five steps forward, whereas the letters at the even positions are each moved two steps forward to get the corresponding letters of the code.
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19. If HE = 13 and MOVER = 73, then BASIC = ?

  • Option : B
  • Explanation : Please refer to alphabetic series table and add the number of alphabets in the given word.
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20. In a certain code, 15789 is written as XTZAL and 2346 is written as NPSU. How is 235491 written in that code?

  • Option : A
  • Explanation : The numbers are coded as follows.

    13789
    XTZAL
    2346
    NPSU

    That is, 2 as N, 3 as P, 5 as T, 4 as S, and 9 as L. Thus,
    23549 is coded as NPTSL.

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