What goes up but never comes down?

Can you replace the question mark with the correct number?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

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

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Name a key which is hardest to turn.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Which point will the car reach to go out?