CROSSING THE BRIDGE ! - PART 3 !! On a bright sunny day 4 - TopicsExpress



          

CROSSING THE BRIDGE ! - PART 3 !! On a bright sunny day 4 persons (A,B,C,D) want to cross a bridge and they can cross it only if they follow the rules. There is only one torch with them. Rules - 1) Two persons should be walking on the bridge at any time. 2) A person should cross the bridge completely if he walks on it (No U turn from any point on the bridge; no halt on bridge) 3) A person should cross the bridge in exactly his/her natural timing. A, B, C, D respectively takes 3,7,2 and 11 minutes as their natural timing to cross the bridge individually. Find the minimum time required for all of them to cross the bridge. (no one carries another person)
Posted on: Sun, 04 Jan 2015 14:57:17 +0000

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