Why is 6 afraid of 7?

Find the value of "?" in the ball picture Riddle below:

What you cannot hold but it is yours?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

Can you write down eight eights so that they add up to one thousand?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Which famous Hollywood movie name is hidden in the below rebus?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

What seven-letter word has hundreds of letters in it?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?