Descriptive · 28 Mar 2022

The Lego Method: answering a question you have never seen

Six steps that turn an unexpected descriptive question into an engineering problem.

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Imagine the worst case in RBI Phase II: a completely unexpected question. The Lego Method is about tackling exactly that.

Children are given Lego early to learn to structure problems so they can be solved. As we grow up we forget that the same thinking works for complex problems, including your RBI exam.

  1. Decomposition: break a large problem into smaller ones.
  2. Filtering: set aside unimportant details.
  3. Inheritability: see where the question sits in the RBI syllabus, and structure the answer from there.
  4. Replicability: see how it relates to questions solved before.
  5. 2D4C: add data, definitions and specific detail.
  6. Value addition: the final touch.

It won’t happen overnight. In CRC it is a 10-day cycle of diagnostic answers, one part of the answer each day, with mentor feedback. After 10 days you can write an above-average answer to a question you had no specific knowledge of.