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BANKERS TUTORIAL · IBPS & RRB · EXAM-PLANNING GUIDE

Study plan: Coding-decoding: recover mappings without overclaiming

Coding-decoding problems ask learners to identify substitutions, ordering rules or symbol relationships from stated evidence. A sound mapping must explain shared and differing elements without assuming an arbitrary language or hidden convention.

01 / 03Learn with a clear direction

3 min read Original learning material · Prepared 14 Oct 2026

This is an original preparation plan, not a new examination announcement. Check dates, stages, eligibility and application instructions in the issuing authority’s current notice.

01 / UNDERSTANDING

Plan your preparation

Alternate overlap tables with letter rules so that a memorised approach does not conceal uncertainty about the evidence needed for a mapping. Make an uncertainty column instead of erasing unconfirmed alternatives too early. For a later review, test the mapping against a statement not used initially. Keep a specific error note about assigning each word to the code in the same displayed position. Use a changed example after a short gap so that remembering one answer does not disguise a remaining misunderstanding.

02 / UNDERSTANDING

The concept in context

Coding-decoding problems ask learners to identify substitutions, ordering rules or symbol relationships from stated evidence. A sound mapping must explain shared and differing elements without assuming an arbitrary language or hidden convention. Compare overlapping statements, isolate their intersections and record unresolved pairings. Letter-position rules require checking every character rather than matching only the first letter.

03 / UNDERSTANDING

A worked learning case

In an original code, "save money daily" is "ka tu mi" and "save time daily" is "ka lo mi". A third statement, "daily practice helps", is "mi sa re". The first two statements leave save and daily unresolved between ka and mi. The third isolates daily as mi, so save must be ka.

ORIGINAL EDUCATIONAL PRACTICE

Try it before you check.

Which code represents money in the stated example?

Show the answer and reasoning

tu.

The first and second statements share save and daily, represented by ka and mi in some order. Money appears only in the first of those statements, so its unmatched code is tu. The third statement resolves daily separately but is unnecessary for identifying the word money.

Two traps to watch for.

  • Assigning each word to the code in the same displayed position.
  • Treating an unresolved pair of codes as a unique mapping.

YOUR TOPIC-SPECIFIC LEARNING MAP

Build your next study session

  1. List the shared words and shared codes for each pair.

  2. Separate confirmed mappings from unresolved alternatives in the table.

  3. Test the mapping against a statement not used initially.

Explain the idea, apply it to a new situation, then check what changed in your reasoning.

BANKERS TUTORIAL · SOURCE NOTES

Keep the source alongside your notes.

Official links provide subject context and authoritative reference material. This guide’s explanation, scenario and question are original Bankers Tutorial learning content.

  1. www.ibps.in https://www.ibps.in/wp-content/uploads/Detailed-Notification_CRP-PO-XIV_7.8.24.pdf

For IBPS & RRB preparation, check the current official notice before relying on changing dates, rules or examination requirements.

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