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A8. Clock & Calendar / घड़ी/कैलेंडर

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

  • Clock angle formula: |30H − 5.5M| degrees.
  • Time gaps use mod 7 for days.
  • Leap year: divisible by 4; century must be divisible by 400.
Golden rule: Diagram बनाओ → options eliminate → फिर final answer.

Professor Style Explanation / प्रोफेसर स्टाइल समझाइए

Clock questions में angle formula याद रखो—सिर्फ H और M put करो.
Calendar questions में remainder (mod 7) सबसे fast तरीका है.
Leap year rules से 1 question guaranteed fast.

Practice MCQs (6) / अभ्यास प्रश्न

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

Q1. At 3:15, the angle between hour and minute hands is:
Answer: B
Explanation: Minute=90°. Hour=3×30 +15×0.5=97.5°. Difference=7.5°.
Trick: Angle = |30H − 5.5M|.
Q2. At 6:00, the angle between hands is:
Answer: C
Explanation: Hour hand at 180°, minute hand at 0° → 180°.
Trick: Exact hour: hour=H×30°; minute=M×6°.
Q3. How many times do the clock hands coincide in 12 hours?
Answer: B
Explanation: They meet 11 times in 12 hours.
Trick: Remember: 11 coincidences (standard SSC fact).
Q4. If today is Monday, the day after 45 days will be:
Answer: B
Explanation: 45 mod 7 = 3. Monday +3 = Thursday.
Trick: Remainder method: N%7.
Q5. Which of the following years is a leap year?
Answer: B
Explanation: Century year is leap only if divisible by 400. 2000 divisible by 400.
Trick: Leap: /4; century must be /400.
Q6. How many days are there in 3 weeks 2 days?
Answer: C
Explanation: 3 weeks=21 days, plus 2 = 23.
Trick: Weeks to days: ×7.
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