A

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Q. A Clock is started at Noon, by 10 minutes past 7, the hour hand has turn through

  • (A) 215
  • (B) 180
  • (C) 210
  • (D) 195
  • Correct Answer - Option(A)
  • Views: 6
  • Filed under category Reasoning
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Explanation by: Admin
In a clock, 12 hours form 360° degree. So one hour forms 30°.

Therefore 7 hours form 210° (30° X 7) degree. In a minute, hour hand moves 0.5° degree, so in 10 minutes it moves 0.5° X 10 = 5°

Thus, by 10 Minutes past 7, hour hand has turn through 210° + 5° = 215°

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