What does this rebus puzzle means ?

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

A monk has a very specific ritual for climbing up the steps to the temple. First, he climbs up to the middle step and meditates for 1 minute. Then he climbs up 8 steps and faces east until he hears a bird singing. Then he walks down 12 steps and picks up a pebble. He takes one step up and tosses the pebble over his left shoulder. Now, he walks up the remaining steps three at a time which only takes him 9 paces. How many steps are there?

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?

I cannot talk, but I always reply when spoken to. What am I?

You need to remove two matchsticks to make the below equation true. Can you do it ?

If eleven plus two equals one, what does nine plus five equal?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

Can you move 2 matchsticks to form four equal sized squares.