What you cannot hold but it is yours?

What kind of tree can you carry in your hand?

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?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

What can go through glass without breaking it?

How can one talk without saying a single word?

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

When it's bad luck to meet a black cat?

Why do you find that most of the buildings are deprived of the 13th floor?