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

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

What has one eye, but can’t see?

No matter how little or how much you use me, you change me every month. What am I?

If your uncle’s sister is not your aunt, what relation is she to you?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. 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?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Take one out and scratch my head, I am now black but once was red. What am I?