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

What has a ring but no finger?

I cannot talk, but I always reply when spoken to. What am I?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

When can we add 2 to 11 and get 1 as the correct answer?

How can you tell a raw egg from a hard-boiled egg?

What is the difference between a jeweller and a jailer?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

A police officer was passing by when he saw a guy hiding. He walked up to him and genially asked, "What is your name?"

"Shut up!" the boy responded.

"Where are your manners?" asked the outraged police officer.

"Up that tree," said the boy discourteously, directing to a neighbouring tree.

You're looking for trouble, aren't you?" said the police officer.

"No, trouble is looking for me!" the boy answered solemnly.

Why is the boy behaving like this?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?