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A7. Classification / वर्गीकरण

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

  • Find the common property among 3 options.
  • Check category, divisibility, shape property, days/months etc.
  • If numbers, check prime/even/odd/factors.
Golden rule: Diagram बनाओ → options eliminate → फिर final answer.

Professor Style Explanation / प्रोफेसर स्टाइल समझाइए

Odd one out में पहले common factor ढूंढो.
अगर words हैं तो category (fruit/veg, animal/bird) देखो.
अगर numbers हैं तो prime, divisibility, square/cube check करो.

Practice MCQs (6) / अभ्यास प्रश्न

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

Q1. Find the odd one out: 2, 3, 5, 7, 9
Answer: D
Explanation: 2,3,5,7 are prime numbers; 9 is composite.
Trick: Prime check quickly.
Q2. Odd one out: Apple, Mango, Potato, Banana
Answer: C
Explanation: Potato is a vegetable/tuber; others are fruits.
Trick: Category = fruit/veg.
Q3. Odd one out: Square, Rectangle, Circle, Triangle
Answer: C
Explanation: Circle has no sides/angles; others have straight sides.
Trick: Property: sides/angles.
Q4. Odd one out: 12, 18, 24, 27
Answer: D
Explanation: 12,18,24 are divisible by 6; 27 is not.
Trick: Common factor test.
Q5. Odd one out: Dog, Cat, Cow, Tiger
Answer: C
Explanation: Cow is herbivore; others are carnivores/omnivores.
Trick: Food habit group.
Q6. Odd one out: January, March, May, June
Answer: D
Explanation: Jan/Mar/May have 31 days; June has 30.
Trick: 31-day months list याद करो.
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