Why is a river so rich ?
Why is it very easy to weigh a fish?
What's the only room from which no one can enter or leave
Outside a massage parlour, there is a board that reads "I only massage those who do not massage themselves." Reading the above statement, does the masseur massage himself?
What building has the most stories?
How far can you walk into the woods?
If it took eight men ten hours to build a wall, how long would it take four men to build it?
Which city is three-fifths chick two third cat and 50% goat?
who is silent in the parliament?
What can you hold in your right hand, but never in your left hand?
There are forty elephants and they have forty-fore heads. How can this be possible?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.