Analytical Ability

Study lessons

1. 1

   Logic Basics

   Learn how statements, negation, and/or, if-then, and the converse-inverse-contrapositive family behave, because almost every CSE analytical item is built on these building blocks.

   15 min
2. 2

   Deductive Reasoning

   Master modus ponens, modus tollens, and implication chains so you can spot what MUST be true and reject the invalid forms the CSE plants as traps.

   15 min
3. 3

   Inductive Reasoning

   Learn how to judge generalizations, samples, and analogies, because the CSE tests whether you can tell a strong inductive argument from a hasty one.

   14 min
4. 4

   Statement and Conclusion

   Learn to test which conclusion truly follows from given statements, with special attention to degree words like all, some, most, and only, because these items are a fixed feature of the CSE analytical section.

   15 min
5. 5

   Assumption Questions

   Learn to expose the unstated premise an argument silently depends on, and to confirm it with the negation test, a skill the CSE checks through its assumption and "the argument presumes" items.

   15 min
6. 6

   Strengthen and Weaken Questions

   Learn to isolate an argument's core and judge which new fact most helps or hurts it, a CSE skill that also filters out scope traps and irrelevant-but-tempting choices.

   15 min
7. 7

   Cause and Effect Reasoning

   Learn to separate correlation from causation, spot reverse causation and third factors, and evaluate short causal arguments the way CSE analytical items demand.

   15 min
8. 8

   Word Analogy

   Master the relationship types and the bridge-sentence method for word analogies, one of the most predictable and coachable item types in the CSE analytical section.

   14 min
9. 9

   Classification: Odd One Out

   How to spot the item that does not belong in a group of words, numbers, pairs, or letter clusters, a staple CSE Analytical Ability item type that tests whether you can find the strongest common rule.

   14 min
10. 10

    Series and Patterns

    A systematic toolkit for cracking number series, letter series, interleaved double series, and position-based patterns, which together supply many of the fastest points in the CSE Analytical Ability section.

    15 min
11. 11

    Letter and Number Sequences

    Mastering alphabet positions, skip counting with letters, alternating letter-number chains, and reversal patterns, the raw mechanics behind many CSE sequence and coding items.

    14 min
12. 12

    Coding and Decoding

    How to crack letter-shift codes, position-number codes, mirror codes, symbol substitutions, and made-up language puzzles by extracting the rule from the given example, a recurring CSE Analytical Ability item family.

    15 min
13. 13

    Direction Sense

    Tracking compass moves, turns, and net displacement on paper, including the 3-4-5 shortcut for straight-line distance, so CSE direction puzzles become quick sketch-and-count exercises.

    14 min
14. 14

    Ranking and Ordering

    The formulas and diagram habits for position-in-a-row puzzles, class ranks, ordering by clues, and interchange problems, a compact CSE item family where memorized formulas convert directly into points.

    14 min
15. 15

    Seating Arrangement

    A step-by-step system for linear and circular seating puzzles, covering facing directions, neighbor constraints, the order in which to apply clues, and the table method that keeps multi-person puzzles under control.

    16 min
16. 16

    Syllogisms

    How to draw valid conclusions from all/no/some statements, and how the CSE uses two-premise logic items to test whether you can separate what must be true from what merely could be true.

    15 min
17. 17

    Venn Diagrams

    How to represent all/some/no statements with circles, solve two-set and three-set counting problems by inclusion-exclusion, and use Venn sketches to verify syllogisms under time pressure.

    16 min
18. 18

    Data Sufficiency

    How to handle data sufficiency items by judging whether each statement supplies enough information to answer the question, without wasting time computing the actual answer.

    15 min
19. 19

    Logical Puzzles

    How to crack matching grids, truth-teller and liar problems, and scheduling constraints using elimination tables, because these multi-clue puzzles are the biggest time sink in the analytical section.

    17 min
20. 20

    Critical Reasoning Passages

    How to dissect short arguments into premises and conclusions, spot common reasoning flaws, resolve apparent paradoxes, and draw airtight inferences, the core skills behind CSE critical reasoning items.

    16 min
21. 21

    Family Relations Problems

    How to decode relationship chains like "the son of my mother's only sister," map generations on a quick sketch, and untangle pointing-at-photo problems that the CSE uses to test precise step-by-step reasoning.

    14 min
22. 22

    Tactics for the Analytical Section

    How to sequence item types, decide when to diagram, enforce time caps on puzzles, and guess intelligently, so your analytical skills actually convert into points inside the 3-hour, roughly one-minute-per-item CSE.

    13 min

Section practice test

14 test sets covering the whole Analytical Ability section, 750 original questions with explanations. After you finish the lessons above, prove it here. Randomized every run.