When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

What building has the most stories?

I travel all around the world but always stay in the corner. What am I?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

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?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

What is the word or phrase?

What has many keys but can’t open a single lock?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Replace the question mark with the correct number in below Picture: