What has 13 hearts but no other organs?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

What is the below Rebus indicate?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Which part of London exists in France as well ?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

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