What has 13 hearts but no other organs?

Find out the missing number in the picture attached:

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

I have teeth but i don't bite. Who Am I ?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

Can you solve the photo plexer logic ?

Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

What occurs twice in a week, once in a year but never in a day?