Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

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?

What 5-letter word typed in all capital letters can be read the same upside down?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What Time Should the last watch show in the below figure?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

What number comes next in this sequence:
7 8 5 5 3 4 4 _