it's basic unitary method problem: x men do work in 10 days 1 man will do-----in 10*x days x-10 men do it in 10*x/(x-10) = (10+10)
Solve it and x = 20 it can't be 130 On Fri, Aug 26, 2011 at 11:53 PM, gmagog...@gmail.com <gmagog...@gmail.com>wrote: > @Rahul > > Assume the productivity of each man is the same > > let original number of man be x > > The total workload= x*10*p > also workload = (x-10)(10+10)*p > > solve it > so x=20 > > Yanan Cao > > > > On Fri, Aug 26, 2011 at 1:21 PM, Rahul Verma <rahul08k...@gmail.com>wrote: > >> @yanan how it is 20. >> >> Rahul Verma >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To view this discussion on the web visit >> https://groups.google.com/d/msg/algogeeks/-/uIONcvrf6kUJ. >> >> To post to this group, send email to algogeeks@googlegroups.com. >> To unsubscribe from this group, send email to >> algogeeks+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
