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?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

What is the relationship between these matchstick pictures below?

How could a baby fall out of a twenty-story building onto the ground and live?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

What is the next number in this matchsticks series riddle?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

I look at you, you look at me I raise my right, you raise your left. What am I?

Which alphabet letter is a question?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.