How can you place a pencil on the floor so no one can jump over it?
Put it next to the wall.
Three engineers said David was their brother. David said he had no brothers. Who is lying?
No one. The three engineers are sisters.
What travels around the world while staying in a corner?
What has a head and a tail but no body?
What has an eye but cannot see?
What can you catch but not throw?
Which weighs more a pound of feathers or a pound of bricks?
Neither. They both weigh a pound.
A cowboy rode into town on Friday. He stayed in town for three days and rode out on Friday. How was that possible?
Friday was the name of his horse.
Can you name three consecutive days without using the words Wednesday, Friday and Sunday?
Yesterday, today and tomorrow
What runs but never walks, often murmurs but never talks, has a bed but never sleeps, has a mouth but never eats?
Two lions were facing in opposite directions. One was facing due East and one was facing due West. They were in a place where there was no reflection from the sun so there were no shadows. How can they manage to see each other without walking around or turning around or moving their heads?
You will always find me in the past. I can be created in the present. But the future can never taint me. What am I?
What has cities, but no houses; forests but no trees; and water, but no fish?
What gets sharper the more you use it?