Can you name an animal whose killing cannot be performed without spilling your own blood?

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

Which country gets ill every time?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

A bomb exploded in a room full of married couples and no one died. How?

When is the top of a mountain similar to a savings account?

What has no start, end, or centre?

As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?

What has a ring but no finger?

What does the below mathematical rebus mean?