In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

If 21x = 79x, what is the value of x?

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

What Is It?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

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

What jumps when it walks and sits when it stands?

Find the 8 in the below-given Image.

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?