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

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

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

During which month do people sleep the least?

Can you write down eight eights so that they add up to one thousand?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

How many letters are in the alphabet?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

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?