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WBCS Preliminary Examination 2023 — General Studies · Question 69 of 200

Q69
ReasoningCoding-Decoding
If 721890 denotes PARDON, 53164 denotes MERCY, DEMOCRACY will denote
  1. a.835971274
  2. b.853961264
  3. c.839561264
  4. d.835961264

Answer: (D) 835961264

From PARDON = 721890 we get P=7, A=2, R=1, D=8, O=9, N=0. From MERCY = 53164 we get M=5, E=3, R=1, C=6, Y=4 (R is 1 in both, which confirms the code). So DEMOCRACY = D(8) E(3) M(5) O(9) C(6) R(1) A(2) C(6) Y(4) = 835961264. Options (A), (B) and (C) each change one or two digits (a 7 for 6, or 5 and 3 interchanged), so compare the options digit by digit instead of trusting a quick glance.

Q68 Whole paperQ70