tag:blogger.com,1999:blog-2893315201359920156.post1653436265149358842..comments2023-10-28T20:35:12.856+05:30Comments on Best Brain Teasers: Cross Bridge Puzzlelaveshhttp://www.blogger.com/profile/03731980294342074301noreply@blogger.comBlogger75125tag:blogger.com,1999:blog-2893315201359920156.post-24226112565323696032017-07-16T05:30:24.546+05:302017-07-16T05:30:24.546+05:30How did the 2min person join the 10min person? Eit...How did the 2min person join the 10min person? Either they all broke the bridge (too heavy) or 2min person fell through the bridge walkway because THEY COULDN'T SEE the BRIDGE! (no torch, it was three minutes away)Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-77914363748591238942016-04-27T22:37:42.591+05:302016-04-27T22:37:42.591+05:3017mins is the correct answer17mins is the correct answerAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-90461827168613450332016-01-20T00:43:44.453+05:302016-01-20T00:43:44.453+05:30Click here to Read Solution<a href="http://www.programmersinterview.com/2015/10/bridge-cross-problem.html" rel="nofollow"><b>Click here to Read Solution </b> </a>Anonymoushttps://www.blogger.com/profile/03684556581374839479noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-63275052222846744742016-01-20T00:42:38.496+05:302016-01-20T00:42:38.496+05:30This comment has been removed by the author.Anonymoushttps://www.blogger.com/profile/03684556581374839479noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-88324484505291243232016-01-20T00:41:49.547+05:302016-01-20T00:41:49.547+05:30This comment has been removed by the author.Anonymoushttps://www.blogger.com/profile/03684556581374839479noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-68907105075121169992015-12-30T19:20:14.638+05:302015-12-30T19:20:14.638+05:3025 min to cross the bridge. First 1 min & 2 mi...25 min to cross the bridge. First 1 min & 2 min will go. They would take 2 mins. Then 2 min person will go and bring 7 min person(it would take 9 min[2+7]). Then 7 min person will go & bring 9 min person. It would take 16 min I.e.7+9. Therefore the total is 2+7+7+9.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-80993660292326989322015-07-20T12:52:58.751+05:302015-07-20T12:52:58.751+05:30Although the reason for having the torch is neglec...Although the reason for having the torch is neglected ( all peopl need like to see the bridge) The rule is not technically broken the torches on the bridge the entire time and there's no more than two people the entire time. Bryannahttps://www.blogger.com/profile/17103874016422201357noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-91800836088773303702015-05-22T23:31:56.361+05:302015-05-22T23:31:56.361+05:30.00000000000001 seconds.00000000000001 secondsAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-73296608621961186362015-03-13T02:53:55.465+05:302015-03-13T02:53:55.465+05:3012mins is the shortest time
10 and 7 cross with th...12mins is the shortest time<br />10 and 7 cross with the light first <br />1 and 2 are on the other side waiting for the lightAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-32038561746188420942014-09-12T21:10:15.524+05:302014-09-12T21:10:15.524+05:30man this is question of logic not of philosophyman this is question of logic not of philosophyAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-73250745186979842862014-07-22T15:39:01.428+05:302014-07-22T15:39:01.428+05:30MOLS: Members on Left side
OTB: On the bridge
TT: ...MOLS: Members on Left side<br />OTB: On the bridge<br />TT: Travel Time<br />MORS:Members on Right side<br /><br />MOLS OTB TT MORS<br />10,7 1,2 3 2<br />1 10,7 12 10,7<br /> 1,2 2 <br />Total Time 17 <br /><br />Thus the shortest time is 17 min<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-10245448261098971372014-07-03T12:45:24.682+05:302014-07-03T12:45:24.682+05:3017 mins!!!!!!!!17 mins!!!!!!!!Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-7880058208313576512014-04-29T00:05:19.423+05:302014-04-29T00:05:19.423+05:30This comment has been removed by the author.ShivaKhttps://www.blogger.com/profile/00215961180468941825noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-61661574772657584522014-04-27T05:51:59.713+05:302014-04-27T05:51:59.713+05:30If the one min could hold all three then it takes ...If the one min could hold all three then it takes 1 minute but if normal then 17Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-4740332627259753642014-04-08T13:18:31.147+05:302014-04-08T13:18:31.147+05:30Them answer is 13 if you answer them question dire...Them answer is 13 if you answer them question directly. 1&2 cross and 1 returns. Then 10&7 cross. 2+1+10=13. It just asked how long for them to all cross them bridge. At this point they all have crossed, even though the 1 minute man is at the original side. He did cross, he's just not on them same side as them other three.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-69629519486837245642014-02-11T04:15:03.729+05:302014-02-11T04:15:03.729+05:3010 and 7 go together = take 10 mins
1 and 2 go tog...10 and 7 go together = take 10 mins<br />1 and 2 go together = take 2 mins<br /><br />total time: 12 mins<br /><br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-74144980673424373752014-01-11T16:36:53.099+05:302014-01-11T16:36:53.099+05:3021 minutes 21 minutes Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-82567321240146614162013-11-25T21:07:41.914+05:302013-11-25T21:07:41.914+05:30the answer has to be more then 10 min intially, be...the answer has to be more then 10 min intially, because the person that needs 10 minutes to cross the bridge will take that time. Since there are more than two people and the bridge only takes two at a time, there will be automatically more than 10 min wasted and at least 4 trips.<br /><br />The correct answer,would be 17.<br /><br />1 takes 2 with him - 2 waits on the other side - 2 minutes wasted.<br />1 comes back to 7 and 10 - 3 minutes wasted.<br />7 and 10 cross the bridge, leaving 1 waiting for the torch to cross the bridge - 13 minutes wasted.<br />2 comes back to 1 with the torch - 15 minutes wasted.<br />2 and 1 cross the bridge - 17 minutes wasted.aldo118800noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-5112147468403361982013-11-06T11:04:23.318+05:302013-11-06T11:04:23.318+05:30yaaaayaaaaAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-25913111646285648572013-11-06T11:02:31.842+05:302013-11-06T11:02:31.842+05:30how??how??Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-83918449659016553732013-10-26T21:20:20.977+05:302013-10-26T21:20:20.977+05:3017 MINS17 MINSAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-53045790105550248932013-10-25T23:29:05.344+05:302013-10-25T23:29:05.344+05:305 minutes. Have the person who only takes a minute...5 minutes. Have the person who only takes a minute carry the others. it will take them 5 crossings to bring the other three across. each trip taking only a minute. The person carried can hold the torch.<br />there is no mention of the integrity of the bridge being too suspect to support a concentrated weight.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-73719857171371565602013-10-18T14:59:48.924+05:302013-10-18T14:59:48.924+05:30Torch has to b bought back na for rest two to cumTorch has to b bought back na for rest two to cumAnonymoushttps://www.blogger.com/profile/14366171669200660722noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-73912826565946024022013-09-21T15:43:17.258+05:302013-09-21T15:43:17.258+05:30ITS 17 mins
ITS 17 mins<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-35052300918550982132013-07-12T16:34:15.352+05:302013-07-12T16:34:15.352+05:30yup...the answer is wrong....it is 17 mins.....1 a...yup...the answer is wrong....it is 17 mins.....1 and 2 go first.....then 1 comes back....then 7 and 10 go....and 2 comes back...then 1 and 2 go again....it makes a total of 17 minutes..!!!Anonymousnoreply@blogger.com