Funny game

I'm an odd number. I'm even if you take away a letter. What number am I?

What makes a house more noisy than a dog?

I am not alive, but I can die. What am I?

What never goes up and only comes down?

I have cities but no homes. I don't have any trees, only mountains. There is water here, but no fish. So what am I?

What has arms but can not hug?

I live in Africa. I'm yellow and brown. I eat leaves. I've a long neck.

What has a T in it, a T at the beginning and a T at the end?