Q:
      
      
         
            
In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit ?
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: C) 70%         
         
Explanation: Let C.P.= Rs. 100. 
Then, Profit = Rs. 320, 
S.P. = Rs. 420.
New C.P. = 125% of Rs. 100 = Rs. 125
New S.P. = Rs. 420.
Profit = Rs. (420 - 125) = Rs. 295
Required percentage = (295/420) * 100 
= 70%(approx)
       
      
      
      
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