a small factory with 3 machines has a job of stamping out a number of pan covers, the newest machine can do it in 3 days, and the other machine can do it in 4days and the 3rd machine can do it in 6 days how many days will the factory take to do the job using the three machines

• 4/3 days
  1 day work by three machines= (1/3)+(1/4)+(1/6)=3/4
  So all the three machines can do the job in 4/3 or 1 1/3 days
• 9 years agoHelpfull: Yes(6) No(0)
• 1 day and 6 hrs
• 9 years agoHelpfull: Yes(1) No(1)
• Part of work done in 1 day =1/3+1/4+1/6=3/4
  
  So, total work will be done in 4/3 days
• 7 years agoHelpfull: Yes(1) No(0)