@oppilas: light the first string at both ends and in the middle. So it will burn completely in 15 min as the fire is advancing in 4 ways irrespective of the burn rate. when the first string is completely burnt, light the second string at both ends to get another 30 min. So, overall 45 min.
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.
