CSAT
Reading Comprehension
CSAT
Reading Comprehension — Quick Revision
One-page CSAT revision of reading comprehension: question types and their tests, the OUTER elimination rule, red-flag words, timing and guessing maths.
SyllabusCSAT · Comprehension; English language comprehension skills (Class X level)
A last-week sheet for CSAT comprehension. Read it before every mock test until the tests below become automatic.
Paper Facts
| Item | Value |
|---|---|
| Paper | Prelims GS Paper II (CSAT) — qualifying |
| Questions / time | 80 questions, 2 hours |
| Marks | 200 (2.5 per question) |
| Qualifying mark | 33% = 66 marks |
| Negative marking | One-third of the question’s marks (0.83) |
| English-only passages | “English language comprehension skills (Class X level)” — no Hindi translation |
Question Types and Their Tests
| Type | Stem signal | Right option must… |
|---|---|---|
| Main idea | “most crucial message”, “central theme”, “best sums up” | cover the whole passage, no more and no less |
| Inference | “can be inferred”, “implies” | be true whenever the passage is true |
| Assumption | “is based on the assumption”, “presupposes” | be unstated, and its negation must break the argument |
| Corollary | “most logical/rational corollary” | follow naturally from the argument without new premises |
| Statements | “which is/are valid as per the passage” | survive a word-by-word check against the text |
| Tone | “author’s attitude/approach” | match the author’s language (balanced, critical, cautionary, etc.) |
| Vocabulary in context | “the word X in the passage means” | fit the sentence it appears in |
OUTER — Five Shapes of a Wrong Option
High-yield elimination
- Out of scope: new topic, new solution, new actor.
- Universal words: always, never, only, all, solely, completely, must.
- True but irrelevant: correct general knowledge, not in the passage.
- Echo with a twist: same words, changed meaning.
- Reversed: cause and effect swapped, or the author’s rejected view presented as the author’s view.
Inference vs Assumption vs Corollary
| Inference | Assumption | Corollary | |
|---|---|---|---|
| Where it sits | After the text | Under the text | Beyond the text |
| Stated in passage? | Not directly | Never | No |
| Test | Must be true | Negation kills the argument | Follows naturally |
Timing and Guessing
- Read the question stems first; read the passage once, actively; predict, then eliminate.
- Budget about 2–3 minutes for a short passage with two questions.
- Expected value of a guess between two options: $0.5(2.5) - 0.5(0.83) \approx +0.83$ — worth it.
- Expected value of a blind guess among four: $0.25(2.5) - 0.75(0.83) \approx 0$ — not worth the risk.
Traps
Three habits that cost marks
- Answering from what you know instead of what the passage says.
- Picking a true detail for a main-idea question.
- Calling a stated fact an “assumption”.
Related Topics
- Reading Comprehension: Question Types and Strategy
- Reading Comprehension — practice questions
- Logical Reasoning — quick revision
- All quick-revision sheets
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