If an electric train is travelling south, then which way is the smoke going?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

What does a man do only once in his lifetime, but women do once a year after they are 29?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

These types of puzzles are known as charades. What you have to do is to find two words that are referred to in the first stanza and the second stanza and put them together to form the third word in the third stanza.

Just for example, if my first refers to 'off' and my second refers to 'ice', then my whole will be the 'office'.

My first is present - future's past -
A time in which your lot is cast.

My second is my first of space
Defining people's present place.

My whole describes a lack of site -
A place without length, breadth, or height.

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

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?

What is Luis Suarez's (Soccer Player) favorite tea?