I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

They are three errirs in this question. Can you find them?

What kind of band never plays music?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

Take away the whole and some still remain. What is it?