A

Admin • 828.03K Points
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Q. A clock loses 5 minutes every hour and was set right at 11AM on a Monday. When will it show the correct time again?

  • (A) 11AM on Sunday
  • (B) 11AM on Monday
  • (C) 11AM on Tuesday
  • (D) 11AM on Wednesday
  • Correct Answer - Option(A)
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  • Filed under category Reasoning
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Explanation by: Admin
As mentioned in Key Point O, faulty clock will show correct time when it loses or gains 12 Hours.
In the given problem, clock loses 5 Minutes in an hour. So, 1 Minute lost in every 12 minutes (60 minutes / 5 minutes = 12 minutes).
Now, for losing 12 hours i.e. 720 Minutes(12 X 60 = 720) it will take 720 X 12 = 8640 Minutes = 144 Hours = 6 Days.
So, Clock will show correct time after 6 days from 11AM Monday.
Thus, Answer is 11AM on Sunday.

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