Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What 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?

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

I have branches, but no fruit, trunk or leaves. What am I?

Our product and our sum always give the same answer. Who are we?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

A blonde put eyeliner on her head. Why?