घंटे वाली सुई 18 मिनट में कितना कोण बनाएगी?

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RRB Group D Previous Year Paper (Held on: 26 Aug 2022 Shift 2)
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  1. 10.5°
  2. 7.5°
  3. 12°

Answer (Detailed Solution Below)

Option 1 : 9°
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दिया गया समय: 00:18

घंटे की सूई प्रति मिनट 0.5° चलती है।

इसलिए, 18 मिनट में, घंटे की सूई चलती है:

कोण = 18 × 0.5° = 9°

अतः, सही उत्तर "विकल्प 1" है।

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