Q:
      
      
         
            
K can finish the work in 18 days and L can do the same work in 15 days. L worked for 10 days and left the job. In how many days, K alone can finish the remaining work ?
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: B) 6 days         
         
Explanation: L's 10 days work = 
 
Remaining work = 
 
Now,  work is done by K in one day = 1/18
 
1/3 work is done by K in   = 6 days
       
      
      
      
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