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Q.

A period of 4 hours Question Image  is what percentage of a day?


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a

Question Image

b

Question Image

c

Question Image

d

Question Image 

answer is A.

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Detailed Solution

Concept- Here in this question we will use percent and minute to hour conversion which is mentioned below:-
Percentage Question Image where Question Image Value and Question Image Total value
1 hour Question Image minutes
Given value of time in question is 4 hours Question Image and the total hours in a day is 24 hours. So we have asked that what percentage is given time is of the total time in a day. Firstly we will convert minute quantity into hour we will get,
As 1 hour Question Image minutes then 30 minutes Question Image hours.
Therefore 4 hours Question Image hours
Now required percentage Question ImageNow we will solve the decimal value by placing 10 in the denominator.
Question ImageQuestion ImageHence period of 4 hours Question Image is Question Image of a day.
Therefore the correct option is (1).
 
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