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NDA Odd Sentence Out

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This page covers NDA Odd Sentence Out with complete concept notes, 1 graded practice MCQs, key points and exam-specific tips. Free to study.

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Concept Notes

Odd Sentence Out— Rules & Concept

Core ConceptRead this first — the foundation of the topic
TOPIC CHECK

All sentences should discuss the SAME main idea. If one sentence jumps to a different topic, it's odd. 2

COHERENCE

Sentences should flow together like a story. They should have a logical connection—cause-effect, example-explanation, or continuous thought. 3. TIME & TENSE: Check if all sentences use consistent time references. If three talk about past and one about future without reason, the odd one stands out. 4.

PERSON & PERSPECTIVE: If three sentences use 'he/she/they' and one uses 'I/me,' it may be odd (unless there's a reason). 5. STYLE & TONE: Academic formal writing mixed with casual slang in one sentence makes it odd. 6

SUPPORTING DETAILS

Some sentences support a main idea, one may be random or unrelated information.

Exam PatternsWhat examiners ask — read before attempting PYQs

IN SSC CGL: - Usually 4 sentences given; choose the odd one (A, B, C, or D). - Often tests logical sequence and paragraph coherence. - Questions appear in reading comprehension or standalone para-jumbling sections. SHORTCUT/TRICK: "Read the first three sentences and build a mental paragraph. Then check sentence 4 against this frame. If it doesn't fit, it's odd." This is faster than analysing each sentence individually.

Worked ExampleSolve this step-by-step before moving on
1
Step 1

Identify the main topic. Sentences A, B, D talk about MONSOONS and RAINFALL's effect on farming.

2
Step 2

Check sentence C. C talks about Delhi being a capital—this is UNRELATED to monsoons or farming.

3
Step 3

Confirm. A → B (cause-effect: rain → farmers need it) ✓ B → D (elaboration: farming depends on rain) ✓ C → breaks the chain ✗ ANSWER: C is the odd sentence.

Exam TrapsCommon mistakes students make — avoid these

Students sometimes think an odd sentence is "wrong" grammatically. NOT TRUE. An odd sentence is grammatically correct but THEMATICALLY out of place.

It doesn't belong to the paragraph's topic, even if the sentence itself is well-written.

Key Points to Remember

  • Odd Sentence Out = the ONE sentence that breaks the topic, flow, or logic of a paragraph.
  • Always check if all sentences discuss the SAME main idea; the one changing topic is odd.
  • Use the 3-sentence frame trick: read first three, build the paragraph idea, then test sentence 4.
  • Look for consistency in tense, person (he/she/I), perspective, and tone across sentences.
  • An odd sentence is NOT grammatically wrong—it's logically/thematically disconnected from the group.
  • Typical SSC pattern: 4 sentences, choose 1 odd; appears in reading comprehension or para-jumbling sections.

Exam-Specific Tips

  • In SSC CGL English, Odd Sentence Out questions typically present 4 sentences with options A, B, C, D.
  • The odd sentence maintains grammatical correctness but fails coherence and topic alignment.
  • Common trigger for odd sentences: abrupt topic shift (e.g., discussing agriculture then suddenly Delhi's politics).
  • Tense inconsistency (mixing past/present/future without logical reason) often marks the odd sentence in SSC exams.
  • SSC tests paragraph flow recognition through this question type to assess reading comprehension and logical thinking.
  • The odd sentence typically breaks the cause-effect chain or supporting detail relationship of other three sentences.
  • Odd Sentence Out questions appear 1-2 times per SSC CGL paper in the Reading Comprehension section.
Practice MCQs

Odd Sentence Out — Practice Questions

1graded MCQs · easy to hard · full solution & trap analysis

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Practice 1medium

Four sentences are given below. Three of them form a coherent paragraph. Identify the sentence that does NOT fit into the paragraph. A. The Amazon rainforest is often called the 'lungs of the Earth' because of its vast oxygen production. B. It is home to an estimated ten percent of all species found on our planet. C. Deforestation in the Amazon has accelerated due to illegal logging and agricultural expansion. D. The Sahara Desert is the largest hot desert in the world, covering much of North Africa.

60-Second Revision — Odd Sentence Out

  • Remember: ODD = breaks TOPIC, FLOW, or LOGIC. Not about grammar—about coherence.
  • Trick: Read sentences 1-3, build the paragraph theme, then check sentence 4 against this mental frame.
  • Watch for: Sudden topic jumps (agriculture → politics), tense shifts, or changed person (they → I).
  • Formula: If 3 sentences form a connected idea and 1 stands alone, that 1 is odd.
  • Trap: Don't confuse 'good writing' with 'fitting in.' A well-written sentence can still be the odd one.
  • Test yourself: In 30 seconds, identify the main idea of the paragraph. The sentence NOT supporting it = the answer.
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