Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What does this below rebus puzzle mean?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

You have a thousand Re. 1 coins with you. You have ten bags with you and you can put any number of coins in each of the bags. The condition is that if someone asks you for any amount between 1 and 1000, you must be able to give that amount by just giving the bag (you are not allowed to open the bag and give coins).

How will you do it?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

You bought me for dinner but never eat me. What am I?

What can you hold in your right hand, but never in your left hand?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?