You have a fox, a chicken and a sack of grain. You must cross a river with only one of them at a time. If you leave the fox with the chicken he will eat it; if you leave the chicken with the grain he will eat it. How can you get all three across safely?
November 21st, 2011 | Category: 
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You leave the fox with the grain.
But you have to get all three across safely. Keep trying. What would be the least amount of trips you’d need to make?
1- Cross with the chicken (That leaves the fox and the grain safely together)
2- Come back alone
3- Cross with the Fox (or grain no difference)
4- Come back with the chicken
5- Leave the chicken and cross with the grain (or the fox)
6- Come back alone (That leaves the fox and the grain safely together on the other side)
7- Cross with the chicken
Or you can just put the fox in the bag of grains and make 2 trips across :)
You nailed it, Rool.
Take the chicken over first. Go back and bring the grain next, but instead of leaving the chicken with the grain, come back with the chicken. Leave the chicken on the first side and take the fox with you. Leave it on the other side with the grain. Finally, go back over and get the chicken and bring it over.
Great job, you’re today’s winner.