What does this rebus puzzle means ?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

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

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

What have one eye but still cannot see?

What question can you never answer yes to?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?