MathematicsThe number of hours left in the day are double of the number of hours already passed. How many hours have already passed in the day?

The number of hours left in the day are double of the number of hours already passed. How many hours have already passed in the day?


  1. A
    6 hours
  2. B
    7 hours
  3. C
    8 hours
  4. D
    9 hours 

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    Solution:

    Concept- First, consider the number of hours left in a day as hours. Form an equation according to the given condition and solve it.
    Here, the number of hours left in the day are twice the number of hours already passed.
    Consider the number of hours left in a day as hours.
    Then, the number of hours left in the day We know the total number of hours in a day .
    Therefore, the number of hours passed​Hence, the correct answer is option 3) 8 hours.
     
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