Can you find out the missing number in the grid?

Replace the question mark with the correct number in the below-given picture?

It belongs to you, but other people use it more than you do. What is it?

Identify the hidden meaning behind this picture?

What has hands, but can’t clap?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Can you make four (4) nines (9) equal 100?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

What kind of band never plays music?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?