A woman has two dogs, three rabbits and lettuce.
She must cross a river.
The dingy is unable to transport all in one crossing.
If she transported the dogs, the rabbits would eat the lettuce.
If she transported the lettuce, the dogs would eat the rabbits.

How is she able to transport them all safely?

Michel, Louis et Lisette are members of a club.
The treasurer, who has little work, is an only child.
Michel, who dates Lisette’s sister, does more than the president of the club. What are their jobs ?

You have to measure exactly 4 liters of water, but you only have a 3-liter bottle and a 5-liter bottle. How do you do it?