A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

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?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Solve the following series:
AZ, GT, MN, __, YB