What is the word or phrase?

What can go up a chimney down, but can’t go down a chimney up?

What has lots of eyes, but can’t see?

Can you find the dog hidden in a group of pandas?

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

Which part of London exists in France as well ?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?