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WBCS Preliminary Examination 2015 — General Studies · Question 81 of 200

Q81
ReasoningCoding-Decoding
If COUNTRY is coded in certain way as EMWLVPA, ELECTORATE will be coded in the same manner as
  1. a.CJCEFOPYWC
  2. b.CJGEROTYVG
  3. c.CNCEROPCRG
  4. d.GJGAVMTYVC

Answer: (D) GJGAVMTYVC

The coding pattern adds +2 to even-positioned letters and −2 to odd-positioned letters (by alphabet position). Applying this to ELECTORATE: E(+2)→G, L(−2)→J, E(+2)→G, C(−2)→A, T(+2)→V, O(−2)→M, R(+2)→T, A(−2)→Y, T(+2)→V, E(−2)→C → GJGAVMTYVC.

Q80 Whole paperQ82