Keyboard words are not in alphabetical order, Why?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

Replace the question mark with the correct number in the below-given picture?

What is the riddle which can be asked all day with a different correct answer each time.

What has lots of eyes, but can’t see?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

Solve the equation in the image by looking at the pattern closely.

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?