Q:
      
      
         
            
The following pie-chart shows the study time of different subjects of a student in a day . Study the pie chart and answer the following questions.
.png)
Instead of 10% , if the student spends 15% to study other subjects and the time is taken from the time scheduled to study mathematics and if he/ she used to study 20 hours per day , then the difference of time for studying mathematics per day is
         
       
      
      
      
          
      
      
      
      
      
          View Answer
          Report Error
          Discuss