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

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

Why despite killing dozens of people Charley and Wilma were not punished?

What has 13 hearts but no other organs?

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

What has one eye, but can’t see?

Can you count the number of blocks in the picture below?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

What does this rebus means ?