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WBCS Preliminary Examination 2015 — General Studies · Question 56 of 200

Q56
ReasoningCoding-Decoding
If 'CAT' and 'BOAT' are written as 'XZG' and 'YLZG' respectively in a code language how is 'EGG' to be written in the same language?
  1. a.'VSS'
  2. b.'URR'
  3. c.'VTT'
  4. d.'UTT'

Answer: (C) 'VTT'

From the code: C→X, A→Z, T→G; B→Y, O→L, A→Z, T→G. The pattern is: each letter maps to a partner by the rule C+X=27, A+Z=27, T+G=27, B+Y=27, O+L=27. So E+V=27? No — E=5, V=22, total=27. G+T=27 (G=7, T=20). So E→V, G→T, G→T. EGG = VTT.

Q55 Whole paperQ57