Can you find out who is the kidnapper in below Picture and why, Explain ?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

Spot what is wrong here in below Picture?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

Forwards I am heavy, backward I am not. What am I?