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Coding-Decoding Questions for RRB NTPC

Free, AI-curated practice for the Coding-Decoding section of RRB NTPC. We have 30+ 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)IBPS PO (30)

Sample questions

Q1 · medium · AI-verified
In a certain code, 'TRAIN' is written as 'USBJO'. How is 'PLANE' written in that code?
  1. QMBOF
  2. QMCOF
  3. QMBPF
  4. RMBOF
Q2 · medium · AI-verified
If 'COMPUTER' is coded as '31475028', what is the code for 'MOUSE'?
  1. 41562
  2. 47562
  3. 41672
  4. 47672
Q3 · medium · AI-verified
In a certain code, 'FRIEND' is written as 'GSJFOE'. What is the code for 'MOTHER'?
  1. NPUIFS
  2. NQUIFS
  3. NPUIFS
  4. MQUIFS
Q4 · medium · AI-verified
If 'MOUSE' is coded as '43562' and 'HOUSE' is coded as '84562', then what is the code for 'HOMES'?
  1. 84362
  2. 83462
  3. 84632
  4. 86432
Q5 · medium · AI-verified
If 'FLOWER' is coded as 'GKPVFS' in a certain language, then 'GARDEN' will be coded as:
  1. HBSEFO
  2. HBSFEO
  3. HBSEDO
  4. GBSEFO
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