New Posts For Thread: Puzzle 2https://community.betfair.com/chit_chat/go/thread/view/94038/23436030/puzzle-2Puzzle 2A long train, half a kilometre long, is about to enter a long tunnel. The tunnel is 10km long. If the speed of the train is 35kph, how long will it take for the entire train to pass through the tunnel - from the front of the train entering toAh, my train had a 51 second stop for a w@nkhttps://community.betfair.com/chit_chat/go/thread/view/94038/23436030/puzzle-2?post_id=418339246#418339246Ah, my train had a 51 second stop for a w@nkMon, 04 Jan 2010 15:38:04 -0600Surely the front entering to the end leaving makes 1km?https://community.betfair.com/chit_chat/go/thread/view/94038/23436030/puzzle-2?post_id=418339238#418339238Surely the front entering to the end leaving makes 1km?Mon, 04 Jan 2010 15:37:11 -0600Spot onhttps://community.betfair.com/chit_chat/go/thread/view/94038/23436030/puzzle-2?post_id=418339234#418339234Spot onMon, 04 Jan 2010 15:36:44 -0600front of the train has to travel 10k to leave the tunnel, and then a further 0.5k until the end of the train has left the tunnel. so a total of 10.5k. Which takes 60 x (10.5/35) = 18 minutes.https://community.betfair.com/chit_chat/go/thread/view/94038/23436030/puzzle-2?post_id=418339230#418339230front of the train has to travel 10k to leave the tunnel, and then a further 0.5k until the end of the train has left the tunnel. so a total of 10.5k. Which takes 60 x (10.5/35) = 18 minutes.Mon, 04 Jan 2010 15:36:11 -060018 minshttps://community.betfair.com/chit_chat/go/thread/view/94038/23436030/puzzle-2?post_id=418339226#41833922618 minsMon, 04 Jan 2010 15:34:41 -0600I make the train 1 km long, and it takes 18 mins 51 seconds to travel 11km at 35kph.https://community.betfair.com/chit_chat/go/thread/view/94038/23436030/puzzle-2?post_id=418339218#418339218I make the train 1 km long, and it takes 18 mins 51 seconds to travel 11km at 35kph.Mon, 04 Jan 2010 15:34:13 -0600I might be having a thick day but I get 18 minutes... - can you provide workings out with solutionhttps://community.betfair.com/chit_chat/go/thread/view/94038/23436030/puzzle-2?post_id=418339214#418339214I might be having a thick day but I get 18 minutes... - can you provide workings out with solutionMon, 04 Jan 2010 15:33:05 -0600Well 18 mins 51.4 seconds thenhttps://community.betfair.com/chit_chat/go/thread/view/94038/23436030/puzzle-2?post_id=418339146#418339146Well 18 mins 51.4 seconds thenMon, 04 Jan 2010 15:24:21 -060020 secondshttps://community.betfair.com/chit_chat/go/thread/view/94038/23436030/puzzle-2?post_id=418339142#41833914220 secondsMon, 04 Jan 2010 15:24:06 -0600im obviously smarter than i lookhttps://community.betfair.com/chit_chat/go/thread/view/94038/23436030/puzzle-2?post_id=418339138#418339138im obviously smarter than i lookMon, 04 Jan 2010 15:23:58 -0600