FARMER AND A FOX

The Riddle:
A farmer has to transport a fox, a goose and a sack of grain across a river. The boat is so small that there is room only for him and one of the others at a time, but if he leaves the fox and goose together the fox will kill the goose, and if the goose and the sack of grain are left together the goose will eat the grain. How does he get them all over?

Let d 2 sides of rivers b A n B. Suppose they r on side A n farmer has to take them 2 side B.
First d farmer takes d goose 2 side B. Then he comes back 2 side A n takes fox with him. He leaves d fox 2 side B but carries goose back 2 side A. Now he leaves d goose in side A n takes d sack of grain 2 side B. Then he returns 2 side A n finally takes d goose 2 side B. This way farmer takes his goose, fox n sack of grain safe n sound.

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