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#1 rookie1ja

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Posted 31 March 2007 - 11:15 AM

Family - Back to the River Crossing Puzzles
Parents with two children - a son and a daughter - came to a wide river. There was no bridge there. The only way to get to the other side was to ask a fisherman if he could lend them his boat. However, the boat could carry only one adult or two children. How does the family get to the other side and return the boat to the fisherman?

This old topic is locked since it was answered many times. You can check solution in the Spoiler below.
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Spoiler for old wording

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#2 ardwinmj

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Posted 27 April 2007 - 09:09 PM

yea that was good but isn't the fisherman an adult
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#3 mr_pitcher_44

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Posted 04 May 2007 - 04:03 PM

yea that was good but isn't the fisherman an adult



It doesn't say he is an adult. he could still be a child
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#4 fosley

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Posted 09 May 2007 - 09:34 PM

It doesn't matter if he's a child. The solution acts like he's an adult; if he was a child you could just skip two steps.

At one point, the family is on one side of the river with the boat and the fisherman is on the other side of the river. Now, the son takes the boat back to the fisherman and gets off. The fisherman leaves the son and crosses the river. The fisherman gets out and the daughter gets in. The daughter crosses the river, the son gets in with her, and they return to the far side. At this point, everybody is on the far side with the boat, so the fisherman takes his boat and leaves the family all standing on the far side.
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#5 NID151

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Posted 05 June 2007 - 02:59 AM

Why didn't they all just swim across in the first place?
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#6 larryhl

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Posted 05 June 2007 - 08:16 PM

Why didn't they all just swim across in the first place?



lol, no point in being a logic puzzle then.
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#7 ioannaIMme`

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Posted 22 June 2007 - 02:14 PM

the fisherman is an adult cause it says, fisherman.
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#8 ggsarah

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Posted 22 June 2007 - 02:46 PM

ha it sure wud have been a lot quicker for them all to just swim and left the fishermans boat alone
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#9 jmo

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Posted 25 June 2007 - 04:29 AM

Why didn't the fisherman just take them over one at a time?
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#10 colorclown26

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Posted 28 June 2007 - 10:00 PM

Yeah. the fishermen should have takin them over one at a time
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