Lit the first rope on both the ends and simultaneously lit the second rope on one end. Now first rope will take 30mins to burn completely, and by that time second rope is half burnt. then lit the second end of 2nd rope which will burn for 15mins so altogerther u can measure 45 mins
On Thu, Aug 4, 2011 at 3:57 PM, Nikhil Gupta <[email protected]>wrote: > You have 2 identical ropes that burn in 1 hour (with non-uniform rate). > How will you measure 45 minutes using them? > > -- > Nikhil Gupta > Senior Co-ordinator, Publicity > CSI, NSIT Students' Branch > NSIT, New Delhi, India > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- with regards, Priyanka Loya -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
