You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

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

which number am I?

What English word has three consecutive double letters?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

I taste better than I can smell. Who am I?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?