John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

Can you start the fire using two pieces of wood?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

There is something which is always coming but never arrives?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Which alphabet letter is a question?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?