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?

If you say my name, I will no longer exist. What am I?

I make two people out of one. What am I?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

What is the riddle which can be asked all day with a different correct answer each time.

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

O_er_t_o_

Complete the missing letters of the given word.

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?