What's the only room from which no one can enter or leave

How many times do a clock's hands overlap in a day ?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

I look at you, you look at me I raise my right, you raise your left. What am I?

Spot 5 differences in two Christmas tree below:

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?

Find the hidden panda in the image below.

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?