Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?

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?

Who has married many women but was never married?

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?