I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Spot what is wrong here in below Picture?

The more you take me, the more you leave me behind.
Who Am I?

What is black when you buy it, red when you use it, and gray when you throw it away?

Given that

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

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

What Does this text mean:

important=important

A woman shoots her husband.

Then she holds him under water for over 5 minutes.

Finally, she hangs him.

But 5 minutes later they both go out together and enjoy a wonderful dinner together.

How can this be?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?