A man is replacing a wheel on his car, when he accidentally drops the four nuts used to hold the wheel on the car. They fall into a deep drain, irretrievably lost. A passing girl offers him a solution that enables him to drive home. What is it?
Borrow one nut from the three other tires to put on the wheel without.
Two Russians walk down a street in Moscow. One Russian is the father of the other Russian’s son. How are they related?
They are both parents of the son.
What occurs once in June, once in July and twice in August?
The letter <u>
Six drinking glasses stand in a row, with the first three full of water and the next three empty. By handling and moving only one glass at a time, how can you arrange the six glasses so that no full glass stands next to another full glass, and no empty glass stands next to another empty glass? What is the minimum number of moves to solve this puzzle?