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Coding-Decoding Questions for RRB GROUP D

Free, AI-curated practice for the Coding-Decoding section of RRB GROUP D. We have 15+ verified questions in this bank. Below: 5 sample questions. Sign up free to unlock unlimited practice + AI explanations + per-topic analytics.

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📍 Coding-Decoding is also tested in:
SSC CHSL (64)SSC CGL (45)SBI CLERK (30)RRB NTPC (30)

Sample questions

Q1 · medium · AI-verified
In a certain code language, 'TRAIN' is written as 'USBJO' and 'TRACK' is written as 'USBDL'. How is 'SIGNAL' written in that code?
  1. TJGOBM
  2. UJHOBM
  3. TJHPBM
  4. TJHOBM
Q2 · medium · AI-verified
If PLATFORM is coded as 16-12-1-20-6-15-18-13, then how will STATION be coded?
  1. 19-20-1-20-9-15-14
  2. 20-19-1-20-9-15-14
  3. 19-20-1-21-9-15-14
  4. 19-20-2-20-9-15-14
Q3 · medium · AI-verified
If in a code, FAST is written as 6-1-19-20, then how will SLOW be written?
  1. 19-12-15-23
  2. 20-12-15-23
  3. 19-13-15-23
  4. 19-12-16-23
Q4 · medium · AI-verified
In a certain code language, 'TRAIN' is coded as 'GIZRM' and 'TRACK' is coded as 'GIZXP'. How is 'SIGNAL' coded in the same language?
  1. HSTMZO
  2. GRTMZO
  3. HRTMZO
  4. HRTMZP
Q5 · medium · AI-verified
In a certain code, 'GUARD CHECKS TICKET' is coded as '8 6 6' and 'PASSENGER SHOWS PASS' is coded as '9 5 4'. What could be the code for 'STATION'?
  1. 9
  2. 7
  3. 6
  4. 8
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