The solution of second puzzle is correct and for the first one I won't argue now :P.(sorry )
On 7/10/11, Dumanshu <duman...@gmail.com> wrote: > the string burns in an hour if lit from one end and string burns in 30 > min if lit from both ends. > This fact is based on - light up the string from "either" end it burns > in 60 min. > > now heres the solution: > Light up the first string from both ends and the second string from > one end at the same time. > When the first string burns up completely, light up the already > burning second string from the other end. > When the second string burns up, we have 45 min irrespective of the > burn rate. > > Even if you assume some different values of burn rate to make the > overall burn rate variable, you would get 45 min only. > > On Jul 9, 5:11 am, "oppilas ." <jatka.oppimi...@gmail.com> wrote: >> You have 2 pieces of string of different, unspecified length, and some >> matches. Each piece of string takes exactly an hour to burn, but the burn >> rate is not constant. . The strings have different burn rates, and of >> course >> you don't know the rates anyway. >> >> Using only the matches and the strings, measure 45 minutes. >> >> I have thought a lot but unable to find a solution for this problem. Can >> someone please try it. > > -- > 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.
