I have branches, but no fruit, trunk or leaves. What am I?

Replace the question mark with the correct number below.

What do you answer even though it never asks you questions?

I don't get anymore wetter, no matter how much rain falls on me.

What have one eye but still cannot see?

My location can be determined by the below rebus.
So where am i ?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

Find the next number in the series below.

6 18 270 72090 ?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

Can you find out which number multiplied by itself will give the output as 12345678987654321?