What English word has three consecutive double letters?

You can hear me, but you can't touch or see me.

What am I?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

The answer I give is yes, but what I mean is no. What was the question?

How can you take 2 from 5 and leave 4?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

Which country gets ill every time?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

What is wrong in the below Picture?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?