I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

Different lights make me strange by changing me into different sizes. What am I?

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

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

I am quite hot but become too cold if you remove the first two letters. What am I?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

When 99 is considered higher than 100?

There is a basket full of hats. Three are white and two are black. Three men, Tom, Tim, and Jim, each take a hat out of the basket and put it on their heads without seeing the hat they selected or the hats the other men selected. The men arrange themselves so Tom can see Tim and Jim’s hats, Tim can see Jim’s hat, and Jim can’t see anyone’s hat. Tom is asked what color his hat is and he says he doesn’t know. Tim is asked the same question, and he also doesn’t know. Finally, Jim is asked the question, and he does know. What colour is his hat?