You can see it everyday, But cannot touch it at will. What is it?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

Which letter of the alphabet has the most water?

What kind of tree can you carry in your hand?

What does this below rebus puzzle mean?

What does the below image rebus riddle means ?

What Does this text mean:

important=important

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?