What does the below image rebus riddle means ?

What is the word or phrase below?
R | E | A | D

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Where do fish keep their money?

Which is faster, Heat or Cold ? Explain.

What does it mean?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

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?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.