>>>I may have already given this one, but what the heck, I'll give it again.
>>>
>>>There are 3 missionaries and 3 natives. They need to cross a river in a boat that only holds 2. The restraints are that the cannibals can't outnumber the Missionaries on either side because the missionaries feared that the natives would over-power and eat them.
>>
>>You always have a Cannibal [C] in the boat. Order of crossing:
>>
>>1. Missionary.(left 2M and 2C, crossed 1M and 0C, 1C in the boat)
>>2. Cannibal...(left 2M and 1C, crossed 1M and 1C, 1C in the boat)
>>3. Missionary.(left 1M and 1C, crossed 2M and 1C, 1C in the boat)
>>4. Missionary.(left 0M and 1C, crossed 3M and 1C, 1C in the boat)
>>5. Cannibal...(left 0M and 0C, crossed 3M and 2C, 1C in the boat)
>>
>>Now the Cannibal in the boat comes ashore.
>>
>>Either that, or the missionaries all stay together until they convert one of the cannibals to christianity before crossing. :^)
>
>That's close but the boat holds only 2. It looks like you've got 3 in the boat.

Nope. I only have 2 in the boat. One is always a cannibal. If the cannibal takes a missionary over first, then goes back to pick up another passenger, does the cannibal in the boat count as being back on the other side? If so, I do not see a workable solution.