What does an Island and the letter T have in common?

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?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

Can you find out the total number of triangles in the given figure?

While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car.

How will John escape?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

What building has the most stories?

The centre of the third figure is empty. What digit should fit inside?

How is the moon similar to a dollar?