What always comes into a house through the keyhole?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

what one word does the below rebus identifies?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

John was piloting a plane behind a car but was never able to overtake it. Why?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?