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Cheat Sheets / Aptitude
03.02 · Cheat sheet

Reasoning & Verbal

Quick methods for series, coding-decoding, blood relations, directions, syllogisms, seating arrangements, data sufficiency, reading comprehension and sentence correction.

3 min Cheat sheet Pro

Methods for the logical reasoning and verbal sections, so you don’t start from zero on each question.

Number series

Check, in this order:

  1. Differences, then differences of the differences.
  2. Ratios (× 2, × 3, × 1.5).
  3. Squares or cubes, ± 1.
  4. Two series mixed together (odd and even positions).
  5. Primes, Fibonacci-style sums.

Coding and decoding

  • Letter positions: A = 1 … Z = 26. Learn EJOTY = 5, 10, 15, 20, 25.
  • Opposite letters add up to 27: A ↔ Z, B ↔ Y, M ↔ N.
  • Look for a fixed shift (+1, −2), a reversed word, or position-based changes.
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Inside: 9 sections.

  • Number series
  • Coding and decoding
  • Blood relations
  • Directions
  • Syllogisms
  • Seating arrangements
  • +3 more
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Item 10 of 12 · updated 2026-10-13