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A6. Syllogism / न्याय

6 real exam-style MCQs with Answer + Explanation + Trick (Option B).

Topic Overview / विषय परिचय

This chapter is high-scoring in SSC GD and often appears in short questions.
Goal: identify the pattern quickly and avoid overthinking.
Practice with timer: 30–40 seconds per question.

Important Rules / Formulae / महत्वपूर्ण नियम

  • All A are B → A is inside B.
  • No A are B → A and B are separate.
  • Some A are B → overlap exists but not total.
Golden rule: Diagram बनाओ → options eliminate → फिर final answer.

Professor Style Explanation / प्रोफेसर स्टाइल समझाइए

Syllogism में assumption नहीं लेना है.
‘Some’ हमेशा limited information देता है—इससे 'All' या 'Must' conclude नहीं होता.
Venn diagram बना कर 10 seconds में conclusion test करो.

Practice MCQs (6) / अभ्यास प्रश्न

Answers are hidden — click “Show Answer + Explanation + Trick”.

Q1. All cats are animals. Some animals are pets. Conclusions: I) Some cats are pets. II) All cats are animals.
Answer: B
Explanation: II is given. I is not necessary because pets may be other animals.
Trick: Some ≠ must overlap with subset.
Q2. All pens are tools. All tools are useful. Conclusion: All pens are useful.
Answer: A
Explanation: Pens ⊂ Tools ⊂ Useful ⇒ Pens ⊂ Useful.
Trick: Chain rule A⊂B, B⊂C ⇒ A⊂C.
Q3. No doctors are lazy. Some lazy are rich. Conclusion: Some rich are doctors.
Answer: B
Explanation: Doctors and lazy are disjoint; rich-lazy gives no link to doctors.
Trick: No direct link → conclusion fails.
Q4. Some students are smart. All smart are hardworking. Conclusion: Some students are hardworking.
Answer: A
Explanation: Those smart students are hardworking.
Trick: Some A are B + All B are C ⇒ Some A are C.
Q5. All roses are flowers. Some flowers are red. Conclusion: Some roses are red.
Answer: B
Explanation: Red flowers may not be roses.
Trick: Some flowers red ≠ some roses red.
Q6. All buses are vehicles. No vehicles are cheap. Conclusion: No buses are cheap.
Answer: A
Explanation: Buses ⊂ Vehicles and Vehicles disjoint Cheap ⇒ buses disjoint Cheap.
Trick: All A are B + No B are C ⇒ No A are C.
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