I am sure no one can have two things for dinner. what are they?

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

which number am I?

I can write cow in 13 letters.

Can You?

A man is found unconscious in front of a store at two in the morning. His head is bleeding and there’s a brick laying next to him. When the police arrive, they carry the man to jail. Why did they arrest him?

Before Mount Everest was discovered, what was the highest mountain in the world?

My location can be determined by the below rebus.
So where am i ?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

Which number comes next in the number series?

2, 9, 30, 93, ?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?