What is the next number in this matchsticks series riddle?

Do You See It?

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

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

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

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

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?

Can you find the key in the picture below?

How many triangles are there on the puzzle below?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA