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?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

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

When monkey rotate the gear, which mark will be hit 1 or 2 ?

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

What number do you get when you multiply all of the numbers on a telephone's number pad?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

I always drive my customer away.

Who am I?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?