Q:
      
      
         
            
In a class of 60 students where girls are twice that of boys, Laxmi ranked 27th from the top. If there are 9 boys ahead of Laxmi, how many girls are after her rank ?
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: C) 22         
         
Explanation: Given number of girls are twice that of boys.
--> G=2B and G+B = 60 
Therefore,  G=40 and B= 20
Given Laxmi ranked 27th from the top and 9 boys are ahead of Laxmi.
Therefore, There are 17 girls ahead of Laxmi. 
Therefore, Number of girls who ranked after Laxmi = 40 - (17+1) = 22.
       
      
      
      
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