People put me on the table and cut me but do not eat me. What am I?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

What has one eye, but can’t see?

Prove that twice of ten is the same as twice of eleven.

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

Buy me, smell me or deliver me, I do not change.

Who am I?