What has one letter and starts with an E?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

What word begins and ends with an E, but has only one letter?

What is the longest word in the dictionary?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

Can you find out which options fits best with the missing column?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Why 1729 is a magic number? Answer Logically.

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?