COMSATS Admission Test Analytical Reasoning Syllabus

Analytical Reasoning syllabus — full chapter and topic list

Expand any chapter to see its topics and sub-topics. This is the whole examinable outline for Analytical Reasoning in COMSATS Admission Test, not a summary of it.

1. 1

   Logical Deduction

   3 topics

   • Statement-Based Reasoning
   • Syllogisms
   • Cause and Effect
2. 2

   Scenario-Based Puzzles

   4 topics

   • Seating Arrangements
   • Ordering and Ranking
   • Grouping and Selection
   • Conditional Constraints
3. 3

   Coding and Decoding

   3 topics

   • Letter Coding
   • Number Coding
   • Symbol Substitution
4. 4

   Series and Patterns

   3 topics

   • Number Series
   • Letter Series
   • Figure and Pattern Recognition
5. 5

   Relationships

   2 topics

   • Blood Relations
   • Direction Sense

Analytical Reasoning flashcards for COMSATS Admission Test

20 of 51 cards from the Analytical Reasoning deck — real questions with worked answers.

1. What is statement-based reasoning in analytical reasoning?

   A reasoning type where you are given one or more statements (premises) assumed to be true and must determine which conclusions, assumptions, or inferences logically follow from them — regardless of real-world truth.

2. In statement-and-assumption questions, what is an 'assumption'?

   An unstated idea that is taken for granted — something the speaker/writer must believe to be true for the statement to make sense. A valid assumption is implicit, not explicitly stated.

3. How do you distinguish an 'inference' from a 'conclusion' in statement-based reasoning?

   A conclusion is a summary/decision directly drawn from the stated facts; an inference is information not stated but logically derivable from the given facts. Inferences go one step beyond what is written; conclusions restate what the facts establish.

4. What is a 'course of action' question in statement-based reasoning?

   A question giving a problem statement plus suggested actions; you decide which action logically and practically follows to solve or improve the situation. A valid course of action must address the problem and be feasible.

5. What is a syllogism?

   A form of deductive reasoning with two premises and a conclusion, where the conclusion must necessarily follow from the premises if they are true (e.g., All A are B; All B are C; therefore All A are C).

6. In syllogisms, what does the term 'All A are B' mean for the relationship between A and B?

   Every member of set A is contained within set B (A is a subset of B), but not every B need be A. It is a universal affirmative (Type A) statement.

7. What are the four standard categorical (syllogism) proposition types and their codes?

   A = Universal Affirmative (All S are P); E = Universal Negative (No S is P); I = Particular Affirmative (Some S are P); O = Particular Negative (Some S are not P).

8. In syllogism Venn-diagram solving, when is a conclusion considered 'definitely true'?

   When the conclusion holds in every possible Venn diagram that can be drawn for the given premises. If even one valid diagram contradicts it, the conclusion does not definitely follow.

9. In syllogisms, what does 'Some A are B' imply about 'Some B are A'?

   'Some A are B' always implies 'Some B are A' — the 'Some' (particular affirmative) relationship is reversible/convertible.

10. In syllogisms, can two negative premises (e.g., No A is B; No B is C) yield a definite conclusion?

    No. From two universal negative premises, no definite conclusion can be drawn between the end terms.

11. What is the 'either-or' (complementary pair) rule in syllogisms?

    When two conclusions individually do not follow but together they exhaust all possibilities (same subject and predicate, one positive and one negative, with 'Some' involved), then 'either I or II follows' is the answer.

12. Define a cause-and-effect relationship in analytical reasoning.

    A relationship where one event (the cause) directly produces or leads to another event (the effect). The cause precedes the effect in time and is responsible for bringing it about.

13. In cause-and-effect questions, what are the typical answer categories for two given statements?

    (1) Statement I is cause, II is effect; (2) Statement II is cause, I is effect; (3) Both are independent causes; (4) Both are effects of a common cause; (5) Both are effects of independent causes.

14. In cause-and-effect reasoning, how do you identify which statement is the cause?

    The cause is the event that occurs first in time and triggers the other. The effect is the resulting consequence. The earlier, triggering event is the cause.

15. What is meant by 'both events are effects of a common cause' in cause-and-effect questions?

    Neither given event causes the other; instead, some third, unstated factor produces both events independently (e.g., both 'flooded roads' and 'crop damage' caused by heavy rain).

16. What is a key trap to avoid in cause-and-effect reasoning?

    Correlation is not causation — two events occurring together or in sequence do not necessarily mean one caused the other. They may share a common cause or be coincidental.

17. What is a seating arrangement problem in analytical reasoning?

    A puzzle where people/objects must be placed in positions (a row, circle, table, etc.) according to given conditions, and you deduce the exact ordering or who sits where.

18. In a circular seating arrangement, how do directions 'left' and 'right' work when people face the center?

    When everyone faces the center, a person's left and right are opposite to the observer's: going clockwise corresponds to each person's right-to-left direction. (To a person facing center, their right hand points clockwise.)

19. In circular seating with people facing the center, which way is clockwise relative to each person?

    Clockwise movement corresponds to moving toward each person's left side (since they face inward), so their right is the anticlockwise direction.

20. In a linear (row) seating arrangement where all face north, how do left and right map to the observer?

    When all face north, each person's left is the observer's left and each person's right is the observer's right (same as the reader's view).

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