What can you deduce from the following BrainBat?

CRY
LMKI

Can you start the fire using two pieces of wood?

I have no life, but I can die. What am I?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

How can you write nineteen in a manner that if we take out one, it becomes twenty?