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

The more you take me, the more you leave me behind.
Who Am I?

How many sides does a circle have?

In an interview, a boy was asked an unusual question 'How two persons sitting with a table in between them can't see each other?' He was unable to reply. Can you?

I’m tall when I’m young, and I’m short when I’m old. What am I?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?