Which number should replace the question mark?

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

A spaceship was lost. The detective was given a piece of paper. This was the location of the spaceship! This is what the slip had scribbled on it:
Juice, Umbrella, Potato, Ice, Tomato, Elephant, Rice.

Where is the spaceship?

Can you find out the missing number in the grid?

What has a ring but no finger?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

A father's child, a mother's child, yet no one's son.

Who am I?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?