1. A familiar Cretan sails to Greece and says to Greek men, who stand on the waterside: "All Cretans are liars." Did he say the truth or did he lie?

2.
This is a story about three people (A, B a C) crossing a desert. A hated C and decided to kill him - he poisoned the water in his sack (only C had water). B also wanted to kill C (not knowing that the water of C had been already poisoned) and so B made a hole into the sack of C and the water spilt out. A few days later C died of thirst.
Who was the murderer - A or B?



3.A farmer is returning from market, where he bought a she-goat, a wolf and cabbage. On the way home he must cross a river. His boat is little, allowing him to take only one of the three things. He can't keep the she-goat and the cabbage together (because the she-goat would eat it), nor the she-goat with the wolf (because the she-goat would be eaten).
How shall the farmer get everything on the other side (without any harm)


4.Each child in a family has at least 4 brothers and 3 sisters. What is the smallest number of children the family might have?

5.A number of children are standing in a circle. They are evenly spaced and the 6th child is directly opposite the 16th child. How many children are there altogether?


6.
A snail creeps 7 ft up a wall during the daytime. After all the labor it does throughout the day, it stops to rest a while... but falls asleep!! The next morning it wakes up and discovers that it has slipped down 3 ft while sleeping. If this happens every day, how many days will the snail take to reach the top of a wall 19 ft in height?