a certain no. of men can finish a piece f work in 10 days.If however there were 10 men less it will take 10 days more for the work to be finished.How many men were there originally
a)110
b)130
c)100
d)none f these

• none of these.
  
  20 men will do work in 10 day
  but 10 i.e. (20-10) will complete work in 20i.e. (10+10) days.
• 12 years agoHelpfull: Yes(4) No(2)
• d) none of these
• 12 years agoHelpfull: Yes(1) No(0)
• assume originally there are x men for the work
  so x*10 man days= (x-10)*20 man days
  thus x=20
• 11 years agoHelpfull: Yes(1) No(0)