You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

How many squares, of any size, can you find on this chessboard which do not contain a Rook?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

You can see it everyday, But cannot touch it at will. What is it?

Identify The phrase in the picture.

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 Detective reviewed the information they had on the case so far.

A lady named 'Caterina' was found shot and they already had a list of suspects - Ankit, Tarun, Harish, Manoj and Manish.
The killer is a fan of challenges him by leaving notes ad various places.
* The first was found in a toilet room.
* The second was found in an art room.
* The third was in a restroom.
* the fourth in an underwater room.
* The fifth at the no-smoking room.

All of the notes read the same thing, 'The clues are where you find the notes.' Yet, nothing was found at any place the notes were.
Detective the genius, immediately solved the case.
Who was the killer?

Can you Find and name the hidden bird in the picture below ?