Paul can complete a project in 6 days. with the help of an intern, he can do it in 4 days.in what time can the intern complete the work alone.
a) 6 days
b) 6 1/4 days
c) 12 days
d) 12 1/2 days

• ans : 12 days
  Paul take = 6days
  Paul one day work = 1/6
  Let intern take x days
  Intern one day work = 1/x
  if both work together
  1/6+1/x=1/4
  Intern one day work (1/x)=1/12
  So intern alone take 12 days,..
• 6 years agoHelpfull: Yes(0) No(0)
• 12 days to complete work
• 4 years agoHelpfull: Yes(0) No(0)