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?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Name a key which is hardest to turn.

What work can one never finish?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

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?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

I have no life, but I can die. What am I?