What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

By what process could you make a 'Tea-Table' into food?

Who has married many women but was never married?

People put me on the table and cut me but do not eat me. What am I?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

What breaks yet never falls, and what falls yet never breaks?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?