It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

What is the Surname of Barbie Doll?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

A fresh card pile is taken out of a box (the pile has 54 cards including 2 jokers). One joker is taken out and then the cards are shuffled for a good amount of times. After shuffling, two piles are made by dividing that one pile.



What is the possibility that one of the piles will have a card sequence from A to K in order?

I am quite hot but become too cold if you remove the first two letters. What am I?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

The more you take me, the more you leave me behind.
Who Am I?